8642713 has 4 divisors (see below), whose sum is σ = 8663760. Its totient is φ = 8621668.

The previous prime is 8642651. The next prime is 8642723. The reversal of 8642713 is 3172468.

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-8642713 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8642723) 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, 9895 + ... + 10732.

It is an arithmetic number, because the mean of its divisors is an integer number (2165940).

Almost surely, 2^8642713 is an apocalyptic number.

It is an amenable number.

8642713 is a deficient number, since it is larger than the sum of its proper divisors (21047).

8642713 is a wasteful number, since it uses less digits than its factorization.

8642713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21046.

The product of its digits is 8064, while the sum is 31.

The square root of 8642713 is about 2939.8491457896. The cubic root of 8642713 is about 205.2185889681.

The spelling of 8642713 in words is "eight million, six hundred forty-two thousand, seven hundred thirteen".