12492920 has 32 divisors (see below), whose sum is σ = 30665520. Its totient is φ = 4542720.

The previous prime is 12492871. The next prime is 12492959. The reversal of 12492920 is 2929421.

12492920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 13757 + ... + 14636.

Almost surely, 2^12492920 is an apocalyptic number.

12492920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12492920 is an abundant number, since it is smaller than the sum of its proper divisors (18172600).

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

12492920 is a wasteful number, since it uses less digits than its factorization.

12492920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28415 (or 28411 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 12492920 is about 3534.5325009115. The cubic root of 12492920 is about 232.0356168069.

The spelling of 12492920 in words is "twelve million, four hundred ninety-two thousand, nine hundred twenty".