12500131 has 16 divisors (see below), whose sum is σ = 14918400. Its totient is φ = 10247328.

The previous prime is 12500101. The next prime is 12500177. The reversal of 12500131 is 13100521.

It is not a de Polignac number, because 12500131 - 2⁷ = 12500003 is a prime.

It is a super-2 number, since 2×12500131² = 312506550034322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12500101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27996 + ... + 28438.

It is an arithmetic number, because the mean of its divisors is an integer number (932400).

Almost surely, 2^12500131 is an apocalyptic number.

12500131 is a deficient number, since it is larger than the sum of its proper divisors (2418269).

12500131 is a wasteful number, since it uses less digits than its factorization.

12500131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 12500131 is about 3535.5524320819. The cubic root of 12500131 is about 232.0802524087.

Adding to 12500131 its reverse (13100521), we get a palindrome (25600652).

The spelling of 12500131 in words is "twelve million, five hundred thousand, one hundred thirty-one".