13080809 has 4 divisors (see below), whose sum is σ = 14949504. Its totient is φ = 11212116.

The previous prime is 13080799. The next prime is 13080811. The reversal of 13080809 is 90808031.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 13080809 - 2⁸ = 13080553 is a prime.

It is a super-2 number, since 2×13080809² = 342215128188962, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (13086809) 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, 934337 + ... + 934350.

It is an arithmetic number, because the mean of its divisors is an integer number (3737376).

Almost surely, 2^13080809 is an apocalyptic number.

It is an amenable number.

13080809 is a deficient number, since it is larger than the sum of its proper divisors (1868695).

13080809 is an equidigital number, since it uses as much as digits as its factorization.

13080809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868694.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 13080809 is about 3616.7401067812. The cubic root of 13080809 is about 235.6196653240.

The spelling of 13080809 in words is "thirteen million, eighty thousand, eight hundred nine".