12931474 has 16 divisors (see below), whose sum is σ = 20357568. Its totient is φ = 6148912.

The previous prime is 12931459. The next prime is 12931487. The reversal of 12931474 is 47413921.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8349 + ... + 9775.

It is an arithmetic number, because the mean of its divisors is an integer number (1272348).

Almost surely, 2^12931474 is an apocalyptic number.

12931474 is a deficient number, since it is larger than the sum of its proper divisors (7426094).

12931474 is a wasteful number, since it uses less digits than its factorization.

12931474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649.

The product of its digits is 6048, while the sum is 31.

The square root of 12931474 is about 3596.0358730135. The cubic root of 12931474 is about 234.7195931148.

The spelling of 12931474 in words is "twelve million, nine hundred thirty-one thousand, four hundred seventy-four".