12716516726 has 16 divisors (see below), whose sum is σ = 20086965360. Its totient is φ = 6021136800.

The previous prime is 12716516711. The next prime is 12716516741. The reversal of 12716516726 is 62761561721.

It is an interprime number because it is at equal distance from previous prime (12716516711) and next prime (12716516741).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26576 + ... + 161676.

It is an arithmetic number, because the mean of its divisors is an integer number (1255435335).

Almost surely, 2^12716516726 is an apocalyptic number.

12716516726 is a deficient number, since it is larger than the sum of its proper divisors (7370448634).

12716516726 is a wasteful number, since it uses less digits than its factorization.

12716516726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137599.

The product of its digits is 211680, while the sum is 44.

The spelling of 12716516726 in words is "twelve billion, seven hundred sixteen million, five hundred sixteen thousand, seven hundred twenty-six".