13399692 has 12 divisors (see below), whose sum is σ = 31265976. Its totient is φ = 4466560.

The previous prime is 13399691. The next prime is 13399699. The reversal of 13399692 is 29699331.

It is a happy number.

13399692 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (13399691) 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, 558309 + ... + 558332.

It is an arithmetic number, because the mean of its divisors is an integer number (2605498).

Almost surely, 2^13399692 is an apocalyptic number.

13399692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13399692 is an abundant number, since it is smaller than the sum of its proper divisors (17866284).

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

13399692 is a wasteful number, since it uses less digits than its factorization.

13399692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116648 (or 1116646 counting only the distinct ones).

The product of its digits is 78732, while the sum is 42.

The square root of 13399692 is about 3660.5589737088. The cubic root of 13399692 is about 237.5189539813.

The spelling of 13399692 in words is "thirteen million, three hundred ninety-nine thousand, six hundred ninety-two".