13000556717 has 2 divisors, whose sum is σ = 13000556718. Its totient is φ = 13000556716.

The previous prime is 13000556687. The next prime is 13000556801. The reversal of 13000556717 is 71765500031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12076031881 + 924524836 = 109891^2 + 30406^2 .

It is a cyclic number.

It is not a de Polignac number, because 13000556717 - 2¹⁰ = 13000555693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13000553717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6500278358 + 6500278359.

It is an arithmetic number, because the mean of its divisors is an integer number (6500278359).

Almost surely, 2^13000556717 is an apocalyptic number.

It is an amenable number.

13000556717 is a deficient number, since it is larger than the sum of its proper divisors (1).

13000556717 is an equidigital number, since it uses as much as digits as its factorization.

13000556717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22050, while the sum is 35.

The spelling of 13000556717 in words is "thirteen billion, five hundred fifty-six thousand, seven hundred seventeen".