11656996 has 24 divisors (see below), whose sum is σ = 22064504. Its totient is φ = 5356800.

The previous prime is 11656973. The next prime is 11657011. The reversal of 11656996 is 69965611.

It can be written as a sum of positive squares in 4 ways, for example, as 1822500 + 9834496 = 1350^2 + 3136^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19096 + ... + 19696.

Almost surely, 2^11656996 is an apocalyptic number.

It is an amenable number.

11656996 is a deficient number, since it is larger than the sum of its proper divisors (10407508).

11656996 is a wasteful number, since it uses less digits than its factorization.

11656996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991 (or 989 counting only the distinct ones).

The product of its digits is 87480, while the sum is 43.

The square root of 11656996 is about 3414.2343211912. The cubic root of 11656996 is about 226.7403864403.

The spelling of 11656996 in words is "eleven million, six hundred fifty-six thousand, nine hundred ninety-six".