11456656 has 20 divisors (see below), whose sum is σ = 22467312. Its totient is φ = 5658656.

The previous prime is 11456647. The next prime is 11456681. The reversal of 11456656 is 65665411.

It is a happy number.

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, 2986 + ... + 5641.

Almost surely, 2^11456656 is an apocalyptic number.

11456656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11456656 is a deficient number, since it is larger than the sum of its proper divisors (11010656).

11456656 is an equidigital number, since it uses as much as digits as its factorization.

11456656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8718 (or 8712 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 11456656 is about 3384.7682343109. The cubic root of 11456656 is about 225.4339345930.

The spelling of 11456656 in words is "eleven million, four hundred fifty-six thousand, six hundred fifty-six".