13155996 has 24 divisors (see below), whose sum is σ = 35082880. Its totient is φ = 3758832.

The previous prime is 13155959. The next prime is 13156001. The reversal of 13155996 is 69955131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78226 + ... + 78393.

Almost surely, 2^13155996 is an apocalyptic number.

It is an amenable number.

13155996 is an abundant number, since it is smaller than the sum of its proper divisors (21926884).

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

13155996 is a wasteful number, since it uses less digits than its factorization.

13155996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156633 (or 156631 counting only the distinct ones).

The product of its digits is 36450, while the sum is 39.

The square root of 13155996 is about 3627.1195182955. The cubic root of 13155996 is about 236.0702414684.

The spelling of 13155996 in words is "thirteen million, one hundred fifty-five thousand, nine hundred ninety-six".