13291456 has 14 divisors (see below), whose sum is σ = 26375360. Its totient is φ = 6645696.

The previous prime is 13291451. The next prime is 13291457. The reversal of 13291456 is 65419231.

13291456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13291451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103776 + ... + 103903.

Almost surely, 2^13291456 is an apocalyptic number.

13291456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13291456 is a deficient number, since it is larger than the sum of its proper divisors (13083904).

13291456 is an equidigital number, since it uses as much as digits as its factorization.

13291456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207691 (or 207681 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 13291456 is about 3645.7449170231. The cubic root of 13291456 is about 236.8777045938.

The spelling of 13291456 in words is "thirteen million, two hundred ninety-one thousand, four hundred fifty-six".