13439365 has 16 divisors (see below), whose sum is σ = 17075520. Its totient is φ = 10126080.

The previous prime is 13439351. The next prime is 13439381. The reversal of 13439365 is 56393431.

13439365 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13439365 - 2⁹ = 13438853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13439365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22602 + ... + 23188.

It is an arithmetic number, because the mean of its divisors is an integer number (1067220).

Almost surely, 2^13439365 is an apocalyptic number.

It is an amenable number.

13439365 is a deficient number, since it is larger than the sum of its proper divisors (3636155).

13439365 is a wasteful number, since it uses less digits than its factorization.

13439365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852.

The product of its digits is 29160, while the sum is 34.

The square root of 13439365 is about 3665.9739497165. The cubic root of 13439365 is about 237.7531336166.

The spelling of 13439365 in words is "thirteen million, four hundred thirty-nine thousand, three hundred sixty-five".