12715642 has 32 divisors (see below), whose sum is σ = 21187584. Its totient is φ = 5702400.

The previous prime is 12715631. The next prime is 12715649. The reversal of 12715642 is 24651721.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 12715642.

It is not an unprimeable number, because it can be changed into a prime (12715649) 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, 52642 + ... + 52882.

It is an arithmetic number, because the mean of its divisors is an integer number (662112).

Almost surely, 2^12715642 is an apocalyptic number.

12715642 is a deficient number, since it is larger than the sum of its proper divisors (8471942).

12715642 is a wasteful number, since it uses less digits than its factorization.

12715642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334.

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

The square root of 12715642 is about 3565.8998864242. The cubic root of 12715642 is about 233.4064020593.

The spelling of 12715642 in words is "twelve million, seven hundred fifteen thousand, six hundred forty-two".