12499974 has 16 divisors (see below), whose sum is σ = 27777840. Its totient is φ = 4166640.

The previous prime is 12499919. The next prime is 12499987. The reversal of 12499974 is 47999421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 115687 + ... + 115794.

It is an arithmetic number, because the mean of its divisors is an integer number (1736115).

Almost surely, 2^12499974 is an apocalyptic number.

12499974 is an abundant number, since it is smaller than the sum of its proper divisors (15277866).

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

12499974 is a wasteful number, since it uses less digits than its factorization.

12499974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231492 (or 231486 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 12499974 is about 3535.5302289756. The cubic root of 12499974 is about 232.0792807721.

The spelling of 12499974 in words is "twelve million, four hundred ninety-nine thousand, nine hundred seventy-four".