12494457 has 24 divisors (see below), whose sum is σ = 19618560. Its totient is φ = 7633440.

The previous prime is 12494453. The next prime is 12494479. The reversal of 12494457 is 75449421.

It is a happy number.

It is not a de Polignac number, because 12494457 - 2² = 12494453 is a prime.

It is a super-2 number, since 2×12494457² = 312222911449698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12494453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4123 + ... + 6479.

It is an arithmetic number, because the mean of its divisors is an integer number (817440).

Almost surely, 2^12494457 is an apocalyptic number.

It is an amenable number.

12494457 is a deficient number, since it is larger than the sum of its proper divisors (7124103).

12494457 is a wasteful number, since it uses less digits than its factorization.

12494457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413 (or 2410 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 12494457 is about 3534.7499204328. The cubic root of 12494457 is about 232.0451321729.

The spelling of 12494457 in words is "twelve million, four hundred ninety-four thousand, four hundred fifty-seven".