11565968 has 20 divisors (see below), whose sum is σ = 22931568. Its totient is φ = 5648160.

The previous prime is 11565959. The next prime is 11565979. The reversal of 11565968 is 86956511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7718 + ... + 9093.

Almost surely, 2^11565968 is an apocalyptic number.

It is an amenable number.

11565968 is a deficient number, since it is larger than the sum of its proper divisors (11365600).

11565968 is a wasteful number, since it uses less digits than its factorization.

11565968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16862 (or 16856 counting only the distinct ones).

The product of its digits is 64800, while the sum is 41.

The square root of 11565968 is about 3400.8775338139. The cubic root of 11565968 is about 226.1486478679.

The spelling of 11565968 in words is "eleven million, five hundred sixty-five thousand, nine hundred sixty-eight".