12931412 has 24 divisors (see below), whose sum is σ = 24549000. Its totient is φ = 5924736.

The previous prime is 12931411. The next prime is 12931423. The reversal of 12931412 is 21413921.

It can be written as a sum of positive squares in 4 ways, for example, as 196 + 12931216 = 14^2 + 3596^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12931411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6914 + ... + 8582.

It is an arithmetic number, because the mean of its divisors is an integer number (1022875).

Almost surely, 2^12931412 is an apocalyptic number.

It is an amenable number.

12931412 is a deficient number, since it is larger than the sum of its proper divisors (11617588).

12931412 is a wasteful number, since it uses less digits than its factorization.

12931412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835 (or 1833 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

The square root of 12931412 is about 3596.0272523995. The cubic root of 12931412 is about 234.7192179929.

The spelling of 12931412 in words is "twelve million, nine hundred thirty-one thousand, four hundred twelve".