13309104 has 20 divisors (see below), whose sum is σ = 34381976. Its totient is φ = 4436352.

The previous prime is 13309099. The next prime is 13309151. The reversal of 13309104 is 40190331.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138589 + ... + 138684.

Almost surely, 2^13309104 is an apocalyptic number.

It is an amenable number.

13309104 is an abundant number, since it is smaller than the sum of its proper divisors (21072872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13309104 is a wasteful number, since it uses less digits than its factorization.

13309104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277284 (or 277278 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 13309104 is about 3648.1644699766. The cubic root of 13309104 is about 236.9824979509.

Adding to 13309104 its reverse (40190331), we get a palindrome (53499435).

The spelling of 13309104 in words is "thirteen million, three hundred nine thousand, one hundred four".