12806315 has 4 divisors (see below), whose sum is σ = 15367584. Its totient is φ = 10245048.

The previous prime is 12806273. The next prime is 12806327. The reversal of 12806315 is 51360821.

12806315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12806315 - 2²² = 8612011 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1280627 + ... + 1280636.

It is an arithmetic number, because the mean of its divisors is an integer number (3841896).

Almost surely, 2^12806315 is an apocalyptic number.

12806315 is a deficient number, since it is larger than the sum of its proper divisors (2561269).

12806315 is an equidigital number, since it uses as much as digits as its factorization.

12806315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561268.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 12806315 is about 3578.5912032530. The cubic root of 12806315 is about 233.9598818408.

The spelling of 12806315 in words is "twelve million, eight hundred six thousand, three hundred fifteen".