12760815 has 16 divisors (see below), whose sum is σ = 20764800. Its totient is φ = 6689952.

The previous prime is 12760801. The next prime is 12760817. The reversal of 12760815 is 51806721.

It is not a de Polignac number, because 12760815 - 2¹⁵ = 12728047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12760817) 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, 6325 + ... + 8094.

It is an arithmetic number, because the mean of its divisors is an integer number (1297800).

Almost surely, 2^12760815 is an apocalyptic number.

12760815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12760815 is a deficient number, since it is larger than the sum of its proper divisors (8003985).

12760815 is a wasteful number, since it uses less digits than its factorization.

12760815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14486.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 12760815 is about 3572.2282961759. The cubic root of 12760815 is about 233.6824716524.

The spelling of 12760815 in words is "twelve million, seven hundred sixty thousand, eight hundred fifteen".