11993992 has 16 divisors (see below), whose sum is σ = 22870800. Its totient is φ = 5895120.

The previous prime is 11993987. The next prime is 11994001. The reversal of 11993992 is 29939911.

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, 12234 + ... + 13177.

It is an arithmetic number, because the mean of its divisors is an integer number (1429425).

Almost surely, 2^11993992 is an apocalyptic number.

It is an amenable number.

11993992 is a deficient number, since it is larger than the sum of its proper divisors (10876808).

11993992 is a wasteful number, since it uses less digits than its factorization.

11993992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25476 (or 25472 counting only the distinct ones).

The product of its digits is 39366, while the sum is 43.

The square root of 11993992 is about 3463.2343264642. The cubic root of 11993992 is about 228.9046341148.

The spelling of 11993992 in words is "eleven million, nine hundred ninety-three thousand, nine hundred ninety-two".