13089009 has 12 divisors (see below), whose sum is σ = 17942064. Its totient is φ = 8487504.

The previous prime is 13088993. The next prime is 13089019. The reversal of 13089009 is 90098031.

It is a happy number.

It is not a de Polignac number, because 13089009 - 2⁴ = 13088993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13089019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2514 + ... + 5700.

It is an arithmetic number, because the mean of its divisors is an integer number (1495172).

Almost surely, 2^13089009 is an apocalyptic number.

It is an amenable number.

13089009 is a deficient number, since it is larger than the sum of its proper divisors (4853055).

13089009 is an equidigital number, since it uses as much as digits as its factorization.

13089009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3264 (or 3227 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 13089009 is about 3617.8735467122. The cubic root of 13089009 is about 235.6688895392.

The spelling of 13089009 in words is "thirteen million, eighty-nine thousand, nine".