8712931 has 2 divisors, whose sum is σ = 8712932. Its totient is φ = 8712930.

The previous prime is 8712919. The next prime is 8712973. The reversal of 8712931 is 1392178.

8712931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8712931 is a prime.

It is a super-2 number, since 2×8712931² = 151830333221522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8712893 and 8712902.

It is not a weakly prime, because it can be changed into another prime (8713931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4356465 + 4356466.

It is an arithmetic number, because the mean of its divisors is an integer number (4356466).

Almost surely, 2^8712931 is an apocalyptic number.

8712931 is a deficient number, since it is larger than the sum of its proper divisors (1).

8712931 is an equidigital number, since it uses as much as digits as its factorization.

8712931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 31.

The square root of 8712931 is about 2951.7674366386. The cubic root of 8712931 is about 205.7728589500.

The spelling of 8712931 in words is "eight million, seven hundred twelve thousand, nine hundred thirty-one".