13066009 has 4 divisors (see below), whose sum is σ = 14253840. Its totient is φ = 11878180.

The previous prime is 13065991. The next prime is 13066049. The reversal of 13066009 is 90066031.

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 not a de Polignac number, because 13066009 - 2⁷ = 13065881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13066049) 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, 593899 + ... + 593920.

It is an arithmetic number, because the mean of its divisors is an integer number (3563460).

Almost surely, 2^13066009 is an apocalyptic number.

It is an amenable number.

13066009 is a deficient number, since it is larger than the sum of its proper divisors (1187831).

13066009 is a wasteful number, since it uses less digits than its factorization.

13066009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187830.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 13066009 is about 3614.6934863139. The cubic root of 13066009 is about 235.5307695216.

The spelling of 13066009 in words is "thirteen million, sixty-six thousand, nine".