13011992 has 16 divisors (see below), whose sum is σ = 27882960. Its totient is φ = 5576544.

The previous prime is 13011967. The next prime is 13012001. The reversal of 13011992 is 29911031.

It is a congruent number.

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, 116123 + ... + 116234.

It is an arithmetic number, because the mean of its divisors is an integer number (1742685).

Almost surely, 2^13011992 is an apocalyptic number.

It is an amenable number.

13011992 is an abundant number, since it is smaller than the sum of its proper divisors (14870968).

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

13011992 is a wasteful number, since it uses less digits than its factorization.

13011992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232370 (or 232366 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 13011992 is about 3607.2138833177. The cubic root of 13011992 is about 235.2057470791.

The spelling of 13011992 in words is "thirteen million, eleven thousand, nine hundred ninety-two".