8713613 has 4 divisors (see below), whose sum is σ = 8757600. Its totient is φ = 8669628.

The previous prime is 8713603. The next prime is 8713631. The reversal of 8713613 is 3163178.

8713613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8713613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8713603) 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, 21695 + ... + 22092.

It is an arithmetic number, because the mean of its divisors is an integer number (2189400).

Almost surely, 2^8713613 is an apocalyptic number.

It is an amenable number.

8713613 is a deficient number, since it is larger than the sum of its proper divisors (43987).

8713613 is a wasteful number, since it uses less digits than its factorization.

8713613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43986.

The product of its digits is 3024, while the sum is 29.

The square root of 8713613 is about 2951.8829583844. The cubic root of 8713613 is about 205.7782277300.

The spelling of 8713613 in words is "eight million, seven hundred thirteen thousand, six hundred thirteen".