12716117587 has 2 divisors, whose sum is σ = 12716117588. Its totient is φ = 12716117586.

The previous prime is 12716117581. The next prime is 12716117597. The reversal of 12716117587 is 78571161721.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12716117587 - 2⁷ = 12716117459 is a prime.

It is not a weakly prime, because it can be changed into another prime (12716117581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6358058793 + 6358058794.

It is an arithmetic number, because the mean of its divisors is an integer number (6358058794).

Almost surely, 2^12716117587 is an apocalyptic number.

12716117587 is a deficient number, since it is larger than the sum of its proper divisors (1).

12716117587 is an equidigital number, since it uses as much as digits as its factorization.

12716117587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 164640, while the sum is 46.

The spelling of 12716117587 in words is "twelve billion, seven hundred sixteen million, one hundred seventeen thousand, five hundred eighty-seven".