8709913 has 2 divisors, whose sum is σ = 8709914. Its totient is φ = 8709912.

The previous prime is 8709871. The next prime is 8709919. The reversal of 8709913 is 3199078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8082649 + 627264 = 2843^2 + 792^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8709913 is a prime.

It is not a weakly prime, because it can be changed into another prime (8709919) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4354956 + 4354957.

It is an arithmetic number, because the mean of its divisors is an integer number (4354957).

Almost surely, 2^8709913 is an apocalyptic number.

It is an amenable number.

8709913 is a deficient number, since it is larger than the sum of its proper divisors (1).

8709913 is an equidigital number, since it uses as much as digits as its factorization.

8709913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 8709913 is about 2951.2561732252. The cubic root of 8709913 is about 205.7490975542.

The spelling of 8709913 in words is "eight million, seven hundred nine thousand, nine hundred thirteen".