13616909 has 8 divisors (see below), whose sum is σ = 13945152. Its totient is φ = 13292640.

The previous prime is 13616899. The next prime is 13616929. The reversal of 13616909 is 90961631.

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

It is a cyclic number.

It is not a de Polignac number, because 13616909 - 2⁴ = 13616893 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 (13616929) 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, 6614 + ... + 8424.

It is an arithmetic number, because the mean of its divisors is an integer number (1743144).

Almost surely, 2^13616909 is an apocalyptic number.

It is an amenable number.

13616909 is a deficient number, since it is larger than the sum of its proper divisors (328243).

13616909 is a wasteful number, since it uses less digits than its factorization.

13616909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 13616909 is about 3690.1096189680. The cubic root of 13616909 is about 238.7955219614.

The spelling of 13616909 in words is "thirteen million, six hundred sixteen thousand, nine hundred nine".