12499685 has 8 divisors (see below), whose sum is σ = 16363296. Its totient is φ = 9090640.

The previous prime is 12499661. The next prime is 12499687. The reversal of 12499685 is 58699421.

12499685 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12499685 - 2¹⁴ = 12483301 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 (12499687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113579 + ... + 113688.

It is an arithmetic number, because the mean of its divisors is an integer number (2045412).

Almost surely, 2^12499685 is an apocalyptic number.

It is an amenable number.

12499685 is a deficient number, since it is larger than the sum of its proper divisors (3863611).

12499685 is a wasteful number, since it uses less digits than its factorization.

12499685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227283.

The product of its digits is 155520, while the sum is 44.

The square root of 12499685 is about 3535.4893579249. The cubic root of 12499685 is about 232.0774921970.

The spelling of 12499685 in words is "twelve million, four hundred ninety-nine thousand, six hundred eighty-five".