12737975 has 12 divisors (see below), whose sum is σ = 16482576. Its totient is φ = 9746880.

The previous prime is 12737971. The next prime is 12738001. The reversal of 12737975 is 57973721.

It is not a de Polignac number, because 12737975 - 2² = 12737971 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12737971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10502 + ... + 11651.

It is an arithmetic number, because the mean of its divisors is an integer number (1373548).

Almost surely, 2^12737975 is an apocalyptic number.

12737975 is a deficient number, since it is larger than the sum of its proper divisors (3744601).

12737975 is a wasteful number, since it uses less digits than its factorization.

12737975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22186 (or 22181 counting only the distinct ones).

The product of its digits is 92610, while the sum is 41.

The square root of 12737975 is about 3569.0299802607. The cubic root of 12737975 is about 233.5429691948.

The spelling of 12737975 in words is "twelve million, seven hundred thirty-seven thousand, nine hundred seventy-five".