13713985 has 8 divisors (see below), whose sum is σ = 17424936. Its totient is φ = 10325760.

The previous prime is 13713977. The next prime is 13714009. The reversal of 13713985 is 58931731.

It is a happy number.

13713985 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 876096 + 12837889 = 936^2 + 3583^2 .

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

It is not a de Polignac number, because 13713985 - 2³ = 13713977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80586 + ... + 80755.

It is an arithmetic number, because the mean of its divisors is an integer number (2178117).

Almost surely, 2^13713985 is an apocalyptic number.

It is an amenable number.

13713985 is a deficient number, since it is larger than the sum of its proper divisors (3710951).

13713985 is a wasteful number, since it uses less digits than its factorization.

13713985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161363.

The product of its digits is 22680, while the sum is 37.

The square root of 13713985 is about 3703.2397977987. The cubic root of 13713985 is about 239.3616427090.

It can be divided in two parts, 1371 and 3985, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 13713985 in words is "thirteen million, seven hundred thirteen thousand, nine hundred eighty-five".