1263376 has 15 divisors (see below), whose sum is σ = 2456533. Its totient is φ = 629440.

The previous prime is 1263373. The next prime is 1263377. The reversal of 1263376 is 6733621.

The square root of 1263376 is 1124.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 853776 + 409600 = 924^2 + 640^2 .

It is a super-2 number, since 2×1263376² = 3192237834752, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1263373) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4356 + ... + 4636.

2^1263376 is an apocalyptic number.

1263376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1263376 is the 1124-th square number.

It is an amenable number.

1263376 is a deficient number, since it is larger than the sum of its proper divisors (1193157).

1263376 is an frugal number, since it uses more digits than its factorization.

1263376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570 (or 283 counting only the distinct ones).

The product of its digits is 4536, while the sum is 28.

The cubic root of 1263376 is about 108.1046082921.

Adding to 1263376 its reverse (6733621), we get a palindrome (7996997).

The spelling of 1263376 in words is "one million, two hundred sixty-three thousand, three hundred seventy-six".