12939292 has 6 divisors (see below), whose sum is σ = 22643768. Its totient is φ = 6469644.

The previous prime is 12939287. The next prime is 12939343. The reversal of 12939292 is 29293921.

It is a super-2 number, since 2×12939292² = 334850554922528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1617408 + ... + 1617415.

Almost surely, 2^12939292 is an apocalyptic number.

It is an amenable number.

12939292 is a deficient number, since it is larger than the sum of its proper divisors (9704476).

12939292 is a wasteful number, since it uses less digits than its factorization.

12939292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234827 (or 3234825 counting only the distinct ones).

The product of its digits is 17496, while the sum is 37.

The square root of 12939292 is about 3597.1227390791. The cubic root of 12939292 is about 234.7668851739.

It can be divided in two parts, 12939 and 292, that added together give a palindrome (13231).

The spelling of 12939292 in words is "twelve million, nine hundred thirty-nine thousand, two hundred ninety-two".