12708640319 has 2 divisors, whose sum is σ = 12708640320. Its totient is φ = 12708640318.

The previous prime is 12708640291. The next prime is 12708640349. The reversal of 12708640319 is 91304680721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12708640319 - 2²⁴ = 12691863103 is a prime.

It is a super-2 number, since 2×12708640319² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12708640349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6354320159 + 6354320160.

It is an arithmetic number, because the mean of its divisors is an integer number (6354320160).

Almost surely, 2^12708640319 is an apocalyptic number.

12708640319 is a deficient number, since it is larger than the sum of its proper divisors (1).

12708640319 is an equidigital number, since it uses as much as digits as its factorization.

12708640319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 12708640319 in words is "twelve billion, seven hundred eight million, six hundred forty thousand, three hundred nineteen".