12939410 has 32 divisors (see below), whose sum is σ = 25747200. Its totient is φ = 4642560.

The previous prime is 12939391. The next prime is 12939449. The reversal of 12939410 is 1493921.

It is a happy number.

It is a super-2 number, since 2×12939410² = 334856662296200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7946 + ... + 9434.

It is an arithmetic number, because the mean of its divisors is an integer number (804600).

Almost surely, 2^12939410 is an apocalyptic number.

12939410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12939410 is a deficient number, since it is larger than the sum of its proper divisors (12807790).

12939410 is a wasteful number, since it uses less digits than its factorization.

12939410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 12939410 is about 3597.1391410397. The cubic root of 12939410 is about 234.7675988247.

The spelling of 12939410 in words is "twelve million, nine hundred thirty-nine thousand, four hundred ten".