13016909 has 4 divisors (see below), whose sum is σ = 13181760. Its totient is φ = 12852060.

The previous prime is 13016903. The next prime is 13016923. The reversal of 13016909 is 90961031.

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 13016909 - 2⁴ = 13016893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13016903) 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, 82307 + ... + 82464.

It is an arithmetic number, because the mean of its divisors is an integer number (3295440).

Almost surely, 2^13016909 is an apocalyptic number.

It is an amenable number.

13016909 is a deficient number, since it is larger than the sum of its proper divisors (164851).

13016909 is an equidigital number, since it uses as much as digits as its factorization.

13016909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164850.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 13016909 is about 3607.8953698798. The cubic root of 13016909 is about 235.2353700355.

The spelling of 13016909 in words is "thirteen million, sixteen thousand, nine hundred nine".