13349889 has 24 divisors (see below), whose sum is σ = 22800960. Its totient is φ = 7364448.

The previous prime is 13349857. The next prime is 13349893. The reversal of 13349889 is 98894331.

It is not a de Polignac number, because 13349889 - 2⁵ = 13349857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13349849) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1827 + ... + 5480.

It is an arithmetic number, because the mean of its divisors is an integer number (950040).

Almost surely, 2^13349889 is an apocalyptic number.

It is an amenable number.

13349889 is a deficient number, since it is larger than the sum of its proper divisors (9451071).

13349889 is a wasteful number, since it uses less digits than its factorization.

13349889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7349 (or 7346 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 13349889 is about 3653.7499914471. The cubic root of 13349889 is about 237.2243242726.

The spelling of 13349889 in words is "thirteen million, three hundred forty-nine thousand, eight hundred eighty-nine".