8445713 has 4 divisors (see below), whose sum is σ = 8651748. Its totient is φ = 8239680.

The previous prime is 8445707. The next prime is 8445727. The reversal of 8445713 is 3175448.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4635409 + 3810304 = 2153^2 + 1952^2 .

It is a cyclic number.

It is not a de Polignac number, because 8445713 - 2⁶ = 8445649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8445713.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8445013) 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, 102956 + ... + 103037.

It is an arithmetic number, because the mean of its divisors is an integer number (2162937).

Almost surely, 2^8445713 is an apocalyptic number.

It is an amenable number.

8445713 is a deficient number, since it is larger than the sum of its proper divisors (206035).

8445713 is a wasteful number, since it uses less digits than its factorization.

8445713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206034.

The product of its digits is 13440, while the sum is 32.

The square root of 8445713 is about 2906.1508907832. The cubic root of 8445713 is about 203.6473546738.

The spelling of 8445713 in words is "eight million, four hundred forty-five thousand, seven hundred thirteen".