12913922 has 8 divisors (see below), whose sum is σ = 22138176. Its totient is φ = 5534532.

The previous prime is 12913921. The next prime is 12913933. The reversal of 12913922 is 22931921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12913921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461198 + ... + 461225.

It is an arithmetic number, because the mean of its divisors is an integer number (2767272).

Almost surely, 2^12913922 is an apocalyptic number.

12913922 is a deficient number, since it is larger than the sum of its proper divisors (9224254).

12913922 is an equidigital number, since it uses as much as digits as its factorization.

12913922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922432.

The product of its digits is 1944, while the sum is 29.

The square root of 12913922 is about 3593.5945792479. The cubic root of 12913922 is about 234.6133493963.

The spelling of 12913922 in words is "twelve million, nine hundred thirteen thousand, nine hundred twenty-two".