12615385 has 16 divisors (see below), whose sum is σ = 15917184. Its totient is φ = 9580032.

The previous prime is 12615367. The next prime is 12615389. The reversal of 12615385 is 58351621.

It is a cyclic number.

It is not a de Polignac number, because 12615385 - 2⁵ = 12615353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12615389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18409 + ... + 19081.

It is an arithmetic number, because the mean of its divisors is an integer number (994824).

Almost surely, 2^12615385 is an apocalyptic number.

It is an amenable number.

12615385 is a deficient number, since it is larger than the sum of its proper divisors (3301799).

12615385 is a wasteful number, since it uses less digits than its factorization.

12615385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864.

The product of its digits is 7200, while the sum is 31.

The square root of 12615385 is about 3551.8143251020. The cubic root of 12615385 is about 232.7913486332.

The spelling of 12615385 in words is "twelve million, six hundred fifteen thousand, three hundred eighty-five".