12642715 has 12 divisors (see below), whose sum is σ = 15600816. Its totient is φ = 9835488.

The previous prime is 12642703. The next prime is 12642743. The reversal of 12642715 is 51724621.

12642715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12642715 - 2⁷ = 12642587 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5922 + ... + 7768.

It is an arithmetic number, because the mean of its divisors is an integer number (1300068).

Almost surely, 2^12642715 is an apocalyptic number.

12642715 is a deficient number, since it is larger than the sum of its proper divisors (2958101).

12642715 is an equidigital number, since it uses as much as digits as its factorization.

12642715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926 (or 1889 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 12642715 is about 3555.6595731313. The cubic root of 12642715 is about 232.9593339603.

The spelling of 12642715 in words is "twelve million, six hundred forty-two thousand, seven hundred fifteen".