12512937 has 4 divisors (see below), whose sum is σ = 16683920. Its totient is φ = 8341956.

The previous prime is 12512911. The next prime is 12512939. The reversal of 12512937 is 73921521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12512937 - 2⁸ = 12512681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12512939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2085487 + ... + 2085492.

It is an arithmetic number, because the mean of its divisors is an integer number (4170980).

Almost surely, 2^12512937 is an apocalyptic number.

It is an amenable number.

12512937 is a deficient number, since it is larger than the sum of its proper divisors (4170983).

12512937 is an equidigital number, since it uses as much as digits as its factorization.

12512937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4170982.

The product of its digits is 3780, while the sum is 30.

The square root of 12512937 is about 3537.3630008807. The cubic root of 12512937 is about 232.1594783884.

The spelling of 12512937 in words is "twelve million, five hundred twelve thousand, nine hundred thirty-seven".