12715922 has 4 divisors (see below), whose sum is σ = 19073886. Its totient is φ = 6357960.

The previous prime is 12715909. The next prime is 12715931. The reversal of 12715922 is 22951721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12538681 + 177241 = 3541^2 + 421^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3178979 + ... + 3178982.

Almost surely, 2^12715922 is an apocalyptic number.

12715922 is a deficient number, since it is larger than the sum of its proper divisors (6357964).

12715922 is an equidigital number, since it uses as much as digits as its factorization.

12715922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6357963.

The product of its digits is 2520, while the sum is 29.

The square root of 12715922 is about 3565.9391469850. The cubic root of 12715922 is about 233.4081152593.

The spelling of 12715922 in words is "twelve million, seven hundred fifteen thousand, nine hundred twenty-two".