13097409 has 16 divisors (see below), whose sum is σ = 19267584. Its totient is φ = 7862400.

The previous prime is 13097401. The next prime is 13097417. The reversal of 13097409 is 90479031.

It is an interprime number because it is at equal distance from previous prime (13097401) and next prime (13097417).

It is not a de Polignac number, because 13097409 - 2³ = 13097401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13097409.

It is not an unprimeable number, because it can be changed into a prime (13097401) 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 15 ways as a sum of consecutive naturals, for example, 2497 + ... + 5694.

It is an arithmetic number, because the mean of its divisors is an integer number (1204224).

Almost surely, 2^13097409 is an apocalyptic number.

It is an amenable number.

13097409 is a deficient number, since it is larger than the sum of its proper divisors (6170175).

13097409 is a wasteful number, since it uses less digits than its factorization.

13097409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8248.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 13097409 is about 3619.0342634465. The cubic root of 13097409 is about 235.7192930328.

The spelling of 13097409 in words is "thirteen million, ninety-seven thousand, four hundred nine".