13264656 has 20 divisors (see below), whose sum is σ = 34267152. Its totient is φ = 4421536.

The previous prime is 13264639. The next prime is 13264663. The reversal of 13264656 is 65646231.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138126 + ... + 138221.

Almost surely, 2^13264656 is an apocalyptic number.

13264656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13264656 is an abundant number, since it is smaller than the sum of its proper divisors (21002496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13264656 is a wasteful number, since it uses less digits than its factorization.

13264656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276358 (or 276352 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 13264656 is about 3642.0675446784. The cubic root of 13264656 is about 236.7183893654.

The spelling of 13264656 in words is "thirteen million, two hundred sixty-four thousand, six hundred fifty-six".