8156713 has 4 divisors (see below), whose sum is σ = 8346448. Its totient is φ = 7966980.

The previous prime is 8156699. The next prime is 8156723. The reversal of 8156713 is 3176518.

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 not a de Polignac number, because 8156713 - 2¹³ = 8148521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8156723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94803 + ... + 94888.

It is an arithmetic number, because the mean of its divisors is an integer number (2086612).

Almost surely, 2^8156713 is an apocalyptic number.

It is an amenable number.

8156713 is a deficient number, since it is larger than the sum of its proper divisors (189735).

8156713 is a wasteful number, since it uses less digits than its factorization.

8156713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189734.

The product of its digits is 5040, while the sum is 31.

The square root of 8156713 is about 2855.9959733865. The cubic root of 8156713 is about 201.2975058563.

The spelling of 8156713 in words is "eight million, one hundred fifty-six thousand, seven hundred thirteen".