13133992 has 16 divisors (see below), whose sum is σ = 24785460. Its totient is φ = 6524544.

The previous prime is 13133969. The next prime is 13134007. The reversal of 13133992 is 29933131.

It can be written as a sum of positive squares in 2 ways, for example, as 12916836 + 217156 = 3594^2 + 466^2 .

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, 3973 + ... + 6484.

Almost surely, 2^13133992 is an apocalyptic number.

It is an amenable number.

13133992 is a deficient number, since it is larger than the sum of its proper divisors (11651468).

13133992 is a wasteful number, since it uses less digits than its factorization.

13133992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10620 (or 10616 counting only the distinct ones).

The product of its digits is 4374, while the sum is 31.

The square root of 13133992 is about 3624.0849879659. The cubic root of 13133992 is about 235.9385552955.

The spelling of 13133992 in words is "thirteen million, one hundred thirty-three thousand, nine hundred ninety-two".