12792515 has 4 divisors (see below), whose sum is σ = 15351024. Its totient is φ = 10234008.

The previous prime is 12792499. The next prime is 12792523. The reversal of 12792515 is 51529721.

It is a happy number.

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 12792515 - 2⁴ = 12792499 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1279247 + ... + 1279256.

It is an arithmetic number, because the mean of its divisors is an integer number (3837756).

Almost surely, 2^12792515 is an apocalyptic number.

12792515 is a deficient number, since it is larger than the sum of its proper divisors (2558509).

12792515 is an equidigital number, since it uses as much as digits as its factorization.

12792515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558508.

The product of its digits is 6300, while the sum is 32.

The square root of 12792515 is about 3576.6625504791. The cubic root of 12792515 is about 233.8758137648.

The spelling of 12792515 in words is "twelve million, seven hundred ninety-two thousand, five hundred fifteen".