12955131 has 48 divisors (see below), whose sum is σ = 22963200. Its totient is φ = 6873984.

The previous prime is 12955123. The next prime is 12955133. The reversal of 12955131 is 13155921.

It is not a de Polignac number, because 12955131 - 2³ = 12955123 is a prime.

It is a super-2 number, since 2×12955131² = 335670838454322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12955095 and 12955104.

It is not an unprimeable number, because it can be changed into a prime (12955133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94495 + ... + 94631.

It is an arithmetic number, because the mean of its divisors is an integer number (478400).

Almost surely, 2^12955131 is an apocalyptic number.

12955131 is a deficient number, since it is larger than the sum of its proper divisors (10008069).

12955131 is a wasteful number, since it uses less digits than its factorization.

12955131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 245 counting only the distinct ones).

The product of its digits is 1350, while the sum is 27.

The square root of 12955131 is about 3599.3236864722. The cubic root of 12955131 is about 234.8626389051.

The spelling of 12955131 in words is "twelve million, nine hundred fifty-five thousand, one hundred thirty-one".