12612815 has 8 divisors (see below), whose sum is σ = 15623808. Its totient is φ = 9764640.

The previous prime is 12612797. The next prime is 12612829. The reversal of 12612815 is 51821621.

12612815 is digitally balanced in base 2, 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 12612815 - 2⁸ = 12612559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40532 + ... + 40841.

It is an arithmetic number, because the mean of its divisors is an integer number (1952976).

Almost surely, 2^12612815 is an apocalyptic number.

12612815 is a deficient number, since it is larger than the sum of its proper divisors (3010993).

12612815 is an equidigital number, since it uses as much as digits as its factorization.

12612815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81409.

The product of its digits is 960, while the sum is 26.

The square root of 12612815 is about 3551.4525197446. The cubic root of 12612815 is about 232.7755395134.

The spelling of 12612815 in words is "twelve million, six hundred twelve thousand, eight hundred fifteen".