13399212 has 12 divisors (see below), whose sum is σ = 31264856. Its totient is φ = 4466400.

The previous prime is 13399207. The next prime is 13399229. The reversal of 13399212 is 21299331.

It is a happy number.

13399212 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 a self number, because there is not a number n which added to its sum of digits gives 13399212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558289 + ... + 558312.

Almost surely, 2^13399212 is an apocalyptic number.

13399212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13399212 is an abundant number, since it is smaller than the sum of its proper divisors (17865644).

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

13399212 is a wasteful number, since it uses less digits than its factorization.

13399212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116608 (or 1116606 counting only the distinct ones).

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

The square root of 13399212 is about 3660.4934093644. The cubic root of 13399212 is about 237.5161178350.

The spelling of 13399212 in words is "thirteen million, three hundred ninety-nine thousand, two hundred twelve".