12939792 has 20 divisors (see below), whose sum is σ = 33427920. Its totient is φ = 4313248.

The previous prime is 12939767. The next prime is 12939793. The reversal of 12939792 is 29793921.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12939793) 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, 134742 + ... + 134837.

It is an arithmetic number, because the mean of its divisors is an integer number (1671396).

Almost surely, 2^12939792 is an apocalyptic number.

12939792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12939792 is an abundant number, since it is smaller than the sum of its proper divisors (20488128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12939792 is a wasteful number, since it uses less digits than its factorization.

12939792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269590 (or 269584 counting only the distinct ones).

The product of its digits is 61236, while the sum is 42.

The square root of 12939792 is about 3597.1922383993. The cubic root of 12939792 is about 234.7699090882.

It can be divided in two parts, 12939 and 792, that added together give a palindrome (13731).

The spelling of 12939792 in words is "twelve million, nine hundred thirty-nine thousand, seven hundred ninety-two".