13391922 has 32 divisors (see below), whose sum is σ = 28569600. Its totient is φ = 4172688.

The previous prime is 13391909. The next prime is 13391927. The reversal of 13391922 is 22919331.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13391922.

It is not an unprimeable number, because it can be changed into a prime (13391927) 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, 8263 + ... + 9749.

It is an arithmetic number, because the mean of its divisors is an integer number (892800).

Almost surely, 2^13391922 is an apocalyptic number.

13391922 is an abundant number, since it is smaller than the sum of its proper divisors (15177678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13391922 is a wasteful number, since it uses less digits than its factorization.

13391922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590.

The product of its digits is 2916, while the sum is 30.

The square root of 13391922 is about 3659.4975064891. The cubic root of 13391922 is about 237.4730355352.

The spelling of 13391922 in words is "thirteen million, three hundred ninety-one thousand, nine hundred twenty-two".