11966856 has 32 divisors (see below), whose sum is σ = 32637600. Its totient is φ = 3626240.

The previous prime is 11966833. The next prime is 11966863. The reversal of 11966856 is 65866911.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 22401 + ... + 22928.

It is an arithmetic number, because the mean of its divisors is an integer number (1019925).

Almost surely, 2^11966856 is an apocalyptic number.

It is an amenable number.

11966856 is an abundant number, since it is smaller than the sum of its proper divisors (20670744).

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

11966856 is a wasteful number, since it uses less digits than its factorization.

11966856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45349 (or 45345 counting only the distinct ones).

The product of its digits is 77760, while the sum is 42.

The square root of 11966856 is about 3459.3143829378. The cubic root of 11966856 is about 228.7318741050.

The spelling of 11966856 in words is "eleven million, nine hundred sixty-six thousand, eight hundred fifty-six".