8713513 has 2 divisors, whose sum is σ = 8713514. Its totient is φ = 8713512.

The previous prime is 8713487. The next prime is 8713519. The reversal of 8713513 is 3153178.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8456464 + 257049 = 2908^2 + 507^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8713513 is a prime.

It is not a weakly prime, because it can be changed into another prime (8713519) 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, 4356756 + 4356757.

It is an arithmetic number, because the mean of its divisors is an integer number (4356757).

Almost surely, 2^8713513 is an apocalyptic number.

It is an amenable number.

8713513 is a deficient number, since it is larger than the sum of its proper divisors (1).

8713513 is an equidigital number, since it uses as much as digits as its factorization.

8713513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 8713513 is about 2951.8660199948. The cubic root of 8713513 is about 205.7774405364. Note that the first 3 decimals are identical.

The spelling of 8713513 in words is "eight million, seven hundred thirteen thousand, five hundred thirteen".