12532131 has 16 divisors (see below), whose sum is σ = 18883200. Its totient is φ = 8212104.

The previous prime is 12532123. The next prime is 12532151. The reversal of 12532131 is 13123521.

12532131 is a `hidden beast` number, since 1 + 2 + 532 + 131 = 666.

It is not a de Polignac number, because 12532131 - 2³ = 12532123 is a prime.

It is a super-2 number, since 2×12532131² = 314108614802322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12532151) 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, 2341 + ... + 5526.

It is an arithmetic number, because the mean of its divisors is an integer number (1180200).

Almost surely, 2^12532131 is an apocalyptic number.

12532131 is a deficient number, since it is larger than the sum of its proper divisors (6351069).

12532131 is an equidigital number, since it uses as much as digits as its factorization.

12532131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7935 (or 7929 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 12532131 is about 3540.0749992055. The cubic root of 12532131 is about 232.2781233964.

Adding to 12532131 its reverse (13123521), we get a palindrome (25655652).

The spelling of 12532131 in words is "twelve million, five hundred thirty-two thousand, one hundred thirty-one".