13718 has 8 divisors (see below), whose sum is σ = 21720.
Its totient is φ = 6498.
The previous prime is 13711. The next prime is 13721. The reversal of 13718 is 81731.
Its product of digits (168) is a multiple of the sum of its prime divisors (21).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 13718.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13711) 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, 713 + ... + 731.
It is an arithmetic number, because the mean of its divisors is an integer number (2715).
213718 is an apocalyptic number.
13718 is a deficient number, since it is larger than the sum of its proper divisors (8002).
13718 is an frugal number, since it uses more digits than its factorization.
13718 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59 (or 21 counting only the distinct ones).
The product of its digits is 168, while the sum is 20.
The square root of 13718 is about 117.1238660564.
The cubic root of 13718 is about 23.9384999480.
The spelling of 13718 in words is "thirteen thousand, seven hundred eighteen".