13331009 has 8 divisors (see below), whose sum is σ = 14152320. Its totient is φ = 12513856.

The previous prime is 13330987. The next prime is 13331011. The reversal of 13331009 is 90013331.

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-13331009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13331069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7772 + ... + 9330.

It is an arithmetic number, because the mean of its divisors is an integer number (1769040).

Almost surely, 2^13331009 is an apocalyptic number.

It is an amenable number.

13331009 is a deficient number, since it is larger than the sum of its proper divisors (821311).

13331009 is a wasteful number, since it uses less digits than its factorization.

13331009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079.

The product of its (nonzero) digits is 243, while the sum is 20.

The square root of 13331009 is about 3651.1654303797. The cubic root of 13331009 is about 237.1124404891.

The spelling of 13331009 in words is "thirteen million, three hundred thirty-one thousand, nine".