12500685 has 12 divisors (see below), whose sum is σ = 21667932. Its totient is φ = 6667008.

The previous prime is 12500647. The next prime is 12500693. The reversal of 12500685 is 58600521.

12500685 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9847044 + 2653641 = 3138^2 + 1629^2 .

It is not a de Polignac number, because 12500685 - 2¹⁰ = 12499661 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138852 + ... + 138941.

It is an arithmetic number, because the mean of its divisors is an integer number (1805661).

Almost surely, 2^12500685 is an apocalyptic number.

12500685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12500685 is a deficient number, since it is larger than the sum of its proper divisors (9167247).

12500685 is a wasteful number, since it uses less digits than its factorization.

12500685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277804 (or 277801 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 12500685 is about 3535.6307782346. The cubic root of 12500685 is about 232.0836809210.

The spelling of 12500685 in words is "twelve million, five hundred thousand, six hundred eighty-five".