13069809 has 8 divisors (see below), whose sum is σ = 19362720. Its totient is φ = 8713188.

The previous prime is 13069801. The next prime is 13069813. The reversal of 13069809 is 90896031.

It is not a de Polignac number, because 13069809 - 2³ = 13069801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13069801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242007 + ... + 242060.

It is an arithmetic number, because the mean of its divisors is an integer number (2420340).

Almost surely, 2^13069809 is an apocalyptic number.

It is an amenable number.

13069809 is a deficient number, since it is larger than the sum of its proper divisors (6292911).

13069809 is an equidigital number, since it uses as much as digits as its factorization.

13069809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484076 (or 484070 counting only the distinct ones).

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

The square root of 13069809 is about 3615.2190804984. The cubic root of 13069809 is about 235.5536005221.

The spelling of 13069809 in words is "thirteen million, sixty-nine thousand, eight hundred nine".