12716676257 has 2 divisors, whose sum is σ = 12716676258. Its totient is φ = 12716676256.

The previous prime is 12716676221. The next prime is 12716676263. The reversal of 12716676257 is 75267661721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11466983056 + 1249693201 = 107084^2 + 35351^2 .

It is a cyclic number.

It is not a de Polignac number, because 12716676257 - 2¹⁴ = 12716659873 is a prime.

It is not a weakly prime, because it can be changed into another prime (12716676757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6358338128 + 6358338129.

It is an arithmetic number, because the mean of its divisors is an integer number (6358338129).

Almost surely, 2^12716676257 is an apocalyptic number.

It is an amenable number.

12716676257 is a deficient number, since it is larger than the sum of its proper divisors (1).

12716676257 is an equidigital number, since it uses as much as digits as its factorization.

12716676257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1481760, while the sum is 50.

The spelling of 12716676257 in words is "twelve billion, seven hundred sixteen million, six hundred seventy-six thousand, two hundred fifty-seven".