13315072 has 22 divisors (see below), whose sum is σ = 26619188. Its totient is φ = 6657024.

The previous prime is 13315069. The next prime is 13315103. The reversal of 13315072 is 27051331.

It is a super-2 number, since 2×13315072² = 354582284730368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5478 + ... + 7525.

Almost surely, 2^13315072 is an apocalyptic number.

It is an amenable number.

13315072 is a deficient number, since it is larger than the sum of its proper divisors (13304116).

13315072 is an equidigital number, since it uses as much as digits as its factorization.

13315072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13023 (or 13005 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 13315072 is about 3648.9823238816. The cubic root of 13315072 is about 237.0179148154.

The spelling of 13315072 in words is "thirteen million, three hundred fifteen thousand, seventy-two".