12499725 has 48 divisors (see below), whose sum is σ = 24462720. Its totient is φ = 5510400.

The previous prime is 12499699. The next prime is 12499733. The reversal of 12499725 is 52799421.

It is not a de Polignac number, because 12499725 - 2⁶ = 12499661 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14815 + ... + 15635.

It is an arithmetic number, because the mean of its divisors is an integer number (509640).

Almost surely, 2^12499725 is an apocalyptic number.

12499725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12499725 is a deficient number, since it is larger than the sum of its proper divisors (11962995).

12499725 is a wasteful number, since it uses less digits than its factorization.

12499725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 865 counting only the distinct ones).

The product of its digits is 45360, while the sum is 39.

The square root of 12499725 is about 3535.4950148459. The cubic root of 12499725 is about 232.0777397523.

The spelling of 12499725 in words is "twelve million, four hundred ninety-nine thousand, seven hundred twenty-five".