12501685 has 16 divisors (see below), whose sum is σ = 17202816. Its totient is φ = 8543808.

The previous prime is 12501683. The next prime is 12501707. The reversal of 12501685 is 58610521.

It is not a de Polignac number, because 12501685 - 2¹ = 12501683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12501683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18819 + ... + 19471.

It is an arithmetic number, because the mean of its divisors is an integer number (1075176).

Almost surely, 2^12501685 is an apocalyptic number.

It is an amenable number.

12501685 is a deficient number, since it is larger than the sum of its proper divisors (4701131).

12501685 is an equidigital number, since it uses as much as digits as its factorization.

12501685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 12501685 is about 3535.7721928880. The cubic root of 12501685 is about 232.0898693150.

The spelling of 12501685 in words is "twelve million, five hundred one thousand, six hundred eighty-five".