13086909 has 24 divisors (see below), whose sum is σ = 20940192. Its totient is φ = 7809120.

The previous prime is 13086901. The next prime is 13086959. The reversal of 13086909 is 90968031.

It is not a de Polignac number, because 13086909 - 2³ = 13086901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13086901) 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, 5647 + ... + 7619.

It is an arithmetic number, because the mean of its divisors is an integer number (872508).

Almost surely, 2^13086909 is an apocalyptic number.

It is an amenable number.

13086909 is a deficient number, since it is larger than the sum of its proper divisors (7853283).

13086909 is a wasteful number, since it uses less digits than its factorization.

13086909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057 (or 2054 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 13086909 is about 3617.5833093379. The cubic root of 13086909 is about 235.6562852965.

The spelling of 13086909 in words is "thirteen million, eighty-six thousand, nine hundred nine".