39713613 has 8 divisors (see below), whose sum is σ = 52992576. Its totient is φ = 26455200.

The previous prime is 39713599. The next prime is 39713659. The reversal of 39713613 is 31631793.

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

It is not a de Polignac number, because 39713613 - 2¹⁷ = 39582541 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39713693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153 + ... + 8913.

It is an arithmetic number, because the mean of its divisors is an integer number (6624072).

Almost surely, 2^39713613 is an apocalyptic number.

It is an amenable number.

39713613 is a deficient number, since it is larger than the sum of its proper divisors (13278963).

39713613 is a wasteful number, since it uses less digits than its factorization.

39713613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10275.

The product of its digits is 10206, while the sum is 33.

The square root of 39713613 is about 6301.8737689674. The cubic root of 39713613 is about 341.1770421926.

The spelling of 39713613 in words is "thirty-nine million, seven hundred thirteen thousand, six hundred thirteen".