13399436 has 6 divisors (see below), whose sum is σ = 23449020. Its totient is φ = 6699716.

The previous prime is 13399433. The next prime is 13399453. The reversal of 13399436 is 63499331.

13399436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13399436.

It is not an unprimeable number, because it can be changed into a prime (13399433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1674926 + ... + 1674933.

It is an arithmetic number, because the mean of its divisors is an integer number (3908170).

Almost surely, 2^13399436 is an apocalyptic number.

It is an amenable number.

13399436 is a deficient number, since it is larger than the sum of its proper divisors (10049584).

13399436 is a wasteful number, since it uses less digits than its factorization.

13399436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349863 (or 3349861 counting only the distinct ones).

The product of its digits is 52488, while the sum is 38.

The square root of 13399436 is about 3660.5240062046. The cubic root of 13399436 is about 237.5174413784.

The spelling of 13399436 in words is "thirteen million, three hundred ninety-nine thousand, four hundred thirty-six".