13396889 has 4 divisors (see below), whose sum is σ = 14614800. Its totient is φ = 12178980.

The previous prime is 13396861. The next prime is 13396913. The reversal of 13396889 is 98869331.

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.

It is not a de Polignac number, because 13396889 - 2⁸ = 13396633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13396589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608939 + ... + 608960.

It is an arithmetic number, because the mean of its divisors is an integer number (3653700).

Almost surely, 2^13396889 is an apocalyptic number.

It is an amenable number.

13396889 is a deficient number, since it is larger than the sum of its proper divisors (1217911).

13396889 is a wasteful number, since it uses less digits than its factorization.

13396889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217910.

The product of its digits is 279936, while the sum is 47.

The square root of 13396889 is about 3660.1760886602. The cubic root of 13396889 is about 237.5023911117.

It can be divided in two parts, 1339 and 6889, that added together give a palindrome (8228).

The spelling of 13396889 in words is "thirteen million, three hundred ninety-six thousand, eight hundred eighty-nine".