8712973 has 2 divisors, whose sum is σ = 8712974. Its totient is φ = 8712972.

The previous prime is 8712931. The next prime is 8712997. The reversal of 8712973 is 3792178.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5846724 + 2866249 = 2418^2 + 1693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8712973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8712173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4356486 + 4356487.

It is an arithmetic number, because the mean of its divisors is an integer number (4356487).

Almost surely, 2^8712973 is an apocalyptic number.

It is an amenable number.

8712973 is a deficient number, since it is larger than the sum of its proper divisors (1).

8712973 is an equidigital number, since it uses as much as digits as its factorization.

8712973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 37.

The square root of 8712973 is about 2951.7745510116. The cubic root of 8712973 is about 205.7731895868.

It can be divided in two parts, 871 and 2973, that added together give a square (3844 = 62²).

The spelling of 8712973 in words is "eight million, seven hundred twelve thousand, nine hundred seventy-three".