13613699 has 8 divisors (see below), whose sum is σ = 14900160. Its totient is φ = 12335400.

The previous prime is 13613687. The next prime is 13613701. The reversal of 13613699 is 99631631.

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

It is not a de Polignac number, because 13613699 - 2²⁰ = 12565123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13613609) 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, 1772 + ... + 5510.

It is an arithmetic number, because the mean of its divisors is an integer number (1862520).

Almost surely, 2^13613699 is an apocalyptic number.

13613699 is a deficient number, since it is larger than the sum of its proper divisors (1286461).

13613699 is a wasteful number, since it uses less digits than its factorization.

13613699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4081.

The product of its digits is 26244, while the sum is 38.

The square root of 13613699 is about 3689.6746469032. The cubic root of 13613699 is about 238.7767562276.

The spelling of 13613699 in words is "thirteen million, six hundred thirteen thousand, six hundred ninety-nine".