12732893617 has 2 divisors, whose sum is σ = 12732893618. Its totient is φ = 12732893616.

The previous prime is 12732893609. The next prime is 12732893623. The reversal of 12732893617 is 71639823721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7478963361 + 5253930256 = 86481^2 + 72484^2 .

It is a cyclic number.

It is not a de Polignac number, because 12732893617 - 2³ = 12732893609 is a prime.

It is not a weakly prime, because it can be changed into another prime (12732893687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6366446808 + 6366446809.

It is an arithmetic number, because the mean of its divisors is an integer number (6366446809).

Almost surely, 2^12732893617 is an apocalyptic number.

It is an amenable number.

12732893617 is a deficient number, since it is larger than the sum of its proper divisors (1).

12732893617 is an equidigital number, since it uses as much as digits as its factorization.

12732893617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 49.

The spelling of 12732893617 in words is "twelve billion, seven hundred thirty-two million, eight hundred ninety-three thousand, six hundred seventeen".