12499672 has 16 divisors (see below), whose sum is σ = 24456240. Its totient is φ = 5978016.

The previous prime is 12499661. The next prime is 12499687. The reversal of 12499672 is 27699421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33783 + ... + 34150.

It is an arithmetic number, because the mean of its divisors is an integer number (1528515).

Almost surely, 2^12499672 is an apocalyptic number.

It is an amenable number.

12499672 is a deficient number, since it is larger than the sum of its proper divisors (11956568).

12499672 is a wasteful number, since it uses less digits than its factorization.

12499672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67962 (or 67958 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 12499672 is about 3535.4875194236. The cubic root of 12499672 is about 232.0774117414.

The spelling of 12499672 in words is "twelve million, four hundred ninety-nine thousand, six hundred seventy-two".