13041209 has 8 divisors (see below), whose sum is σ = 13390272. Its totient is φ = 12696880.

The previous prime is 13041191. The next prime is 13041211. The reversal of 13041209 is 90214031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13041209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13041269) 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, 4787 + ... + 6999.

It is an arithmetic number, because the mean of its divisors is an integer number (1673784).

Almost surely, 2^13041209 is an apocalyptic number.

It is an amenable number.

13041209 is a deficient number, since it is larger than the sum of its proper divisors (349063).

13041209 is an equidigital number, since it uses as much as digits as its factorization.

13041209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 13041209 is about 3611.2614139660. The cubic root of 13041209 is about 235.3816583788.

The spelling of 13041209 in words is "thirteen million, forty-one thousand, two hundred nine".