11992856 has 16 divisors (see below), whose sum is σ = 22523400. Its totient is φ = 5986624.

The previous prime is 11992853. The next prime is 11992889. The reversal of 11992856 is 65829911.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11992853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8660 + ... + 9948.

Almost surely, 2^11992856 is an apocalyptic number.

It is an amenable number.

11992856 is a deficient number, since it is larger than the sum of its proper divisors (10530544).

11992856 is a wasteful number, since it uses less digits than its factorization.

11992856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458 (or 2454 counting only the distinct ones).

The product of its digits is 38880, while the sum is 41.

The square root of 11992856 is about 3463.0703140422. The cubic root of 11992856 is about 228.8974070555.

The spelling of 11992856 in words is "eleven million, nine hundred ninety-two thousand, eight hundred fifty-six".