12492417 has 32 divisors (see below), whose sum is σ = 20033280. Its totient is φ = 6773760.

The previous prime is 12492409. The next prime is 12492419. The reversal of 12492417 is 71429421.

It is not a de Polignac number, because 12492417 - 2³ = 12492409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12492419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44317 + ... + 44597.

It is an arithmetic number, because the mean of its divisors is an integer number (626040).

Almost surely, 2^12492417 is an apocalyptic number.

It is an amenable number.

12492417 is a deficient number, since it is larger than the sum of its proper divisors (7540863).

12492417 is a wasteful number, since it uses less digits than its factorization.

12492417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393.

The product of its digits is 4032, while the sum is 30.

The square root of 12492417 is about 3534.4613450991. The cubic root of 12492417 is about 232.0325026302.

The spelling of 12492417 in words is "twelve million, four hundred ninety-two thousand, four hundred seventeen".