13326009 has 4 divisors (see below), whose sum is σ = 17768016. Its totient is φ = 8884004.

The previous prime is 13325971. The next prime is 13326029. The reversal of 13326009 is 90062331.

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 a de Polignac number, because none of the positive numbers 2^k-13326009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13326009.

It is not an unprimeable number, because it can be changed into a prime (13326029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2220999 + ... + 2221004.

It is an arithmetic number, because the mean of its divisors is an integer number (4442004).

Almost surely, 2^13326009 is an apocalyptic number.

It is an amenable number.

13326009 is a deficient number, since it is larger than the sum of its proper divisors (4442007).

13326009 is an equidigital number, since it uses as much as digits as its factorization.

13326009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4442006.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 13326009 is about 3650.4806532839. The cubic root of 13326009 is about 237.0827925594.

The spelling of 13326009 in words is "thirteen million, three hundred twenty-six thousand, nine".