13713539 has 8 divisors (see below), whose sum is σ = 15767808. Its totient is φ = 11683080.

The previous prime is 13713533. The next prime is 13713629. The reversal of 13713539 is 93531731.

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 13713539 - 2¹⁶ = 13648003 is a prime.

It is a super-2 number, since 2×13713539² = 376122303809042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13713533) 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, 4697 + ... + 7034.

It is an arithmetic number, because the mean of its divisors is an integer number (1970976).

Almost surely, 2^13713539 is an apocalyptic number.

13713539 is a deficient number, since it is larger than the sum of its proper divisors (2054269).

13713539 is a wasteful number, since it uses less digits than its factorization.

13713539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11905.

The product of its digits is 8505, while the sum is 32.

The square root of 13713539 is about 3703.1795797666. The cubic root of 13713539 is about 239.3590478772.

The spelling of 13713539 in words is "thirteen million, seven hundred thirteen thousand, five hundred thirty-nine".