13666713 has 8 divisors (see below), whose sum is σ = 18273408. Its totient is φ = 9085584.

The previous prime is 13666711. The next prime is 13666717. The reversal of 13666713 is 31766631.

13666713 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13666713 - 2¹ = 13666711 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13666711) 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, 5106 + ... + 7307.

It is an arithmetic number, because the mean of its divisors is an integer number (2284176).

Almost surely, 2^13666713 is an apocalyptic number.

It is an amenable number.

13666713 is a deficient number, since it is larger than the sum of its proper divisors (4606695).

13666713 is a wasteful number, since it uses less digits than its factorization.

13666713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12783.

The product of its digits is 13608, while the sum is 33.

The square root of 13666713 is about 3696.8517687351. The cubic root of 13666713 is about 239.0863001893.

The spelling of 13666713 in words is "thirteen million, six hundred sixty-six thousand, seven hundred thirteen".