12492940 has 24 divisors (see below), whose sum is σ = 26303760. Its totient is φ = 4984128.

The previous prime is 12492871. The next prime is 12492959. The reversal of 12492940 is 4929421.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11751 + ... + 12769.

It is an arithmetic number, because the mean of its divisors is an integer number (1095990).

Almost surely, 2^12492940 is an apocalyptic number.

12492940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12492940 is an abundant number, since it is smaller than the sum of its proper divisors (13810820).

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

12492940 is a wasteful number, since it uses less digits than its factorization.

12492940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641 (or 1639 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 12492940 is about 3534.5353301389. The cubic root of 12492940 is about 232.0357406293.

The spelling of 12492940 in words is "twelve million, four hundred ninety-two thousand, nine hundred forty".