13385389 has 4 divisors (see below), whose sum is σ = 13612320. Its totient is φ = 13158460.

The previous prime is 13385387. The next prime is 13385401. The reversal of 13385389 is 98358331.

It is a happy number.

13385389 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98358331 = 463 ⋅212437.

It is a cyclic number.

It is not a de Polignac number, because 13385389 - 2¹ = 13385387 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13385387) 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, 113377 + ... + 113494.

It is an arithmetic number, because the mean of its divisors is an integer number (3403080).

Almost surely, 2^13385389 is an apocalyptic number.

It is an amenable number.

13385389 is a deficient number, since it is larger than the sum of its proper divisors (226931).

13385389 is an equidigital number, since it uses as much as digits as its factorization.

13385389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226930.

The product of its digits is 77760, while the sum is 40.

The square root of 13385389 is about 3658.6047887139. The cubic root of 13385389 is about 237.4344136534.

The spelling of 13385389 in words is "thirteen million, three hundred eighty-five thousand, three hundred eighty-nine".