8971713 has 6 divisors (see below), whose sum is σ = 12959154. Its totient is φ = 5981136.

The previous prime is 8971709. The next prime is 8971727. The reversal of 8971713 is 3171798.

It can be written as a sum of positive squares in only one way, i.e., 8625969 + 345744 = 2937^2 + 588^2 .

It is not a de Polignac number, because 8971713 - 2² = 8971709 is a prime.

8971713 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8971213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 498420 + ... + 498437.

It is an arithmetic number, because the mean of its divisors is an integer number (2159859).

Almost surely, 2^8971713 is an apocalyptic number.

It is an amenable number.

8971713 is a deficient number, since it is larger than the sum of its proper divisors (3987441).

8971713 is a wasteful number, since it uses less digits than its factorization.

8971713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996863 (or 996860 counting only the distinct ones).

The product of its digits is 10584, while the sum is 36.

The square root of 8971713 is about 2995.2817897487. The cubic root of 8971713 is about 207.7902301460.

The spelling of 8971713 in words is "eight million, nine hundred seventy-one thousand, seven hundred thirteen".