12672515 has 4 divisors (see below), whose sum is σ = 15207024. Its totient is φ = 10138008.

The previous prime is 12672509. The next prime is 12672529. The reversal of 12672515 is 51527621.

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 12672515 - 2¹⁸ = 12410371 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, 1267247 + ... + 1267256.

It is an arithmetic number, because the mean of its divisors is an integer number (3801756).

Almost surely, 2^12672515 is an apocalyptic number.

12672515 is a deficient number, since it is larger than the sum of its proper divisors (2534509).

12672515 is an equidigital number, since it uses as much as digits as its factorization.

12672515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534508.

The product of its digits is 4200, while the sum is 29.

The square root of 12672515 is about 3559.8476090979. The cubic root of 12672515 is about 233.1422256053.

The spelling of 12672515 in words is "twelve million, six hundred seventy-two thousand, five hundred fifteen".