12708640093 has 2 divisors, whose sum is σ = 12708640094. Its totient is φ = 12708640092.

The previous prime is 12708640079. The next prime is 12708640103. The reversal of 12708640093 is 39004680721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7402537444 + 5306102649 = 86038^2 + 72843^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12708640093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12708640793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6354320046 + 6354320047.

It is an arithmetic number, because the mean of its divisors is an integer number (6354320047).

Almost surely, 2^12708640093 is an apocalyptic number.

It is an amenable number.

12708640093 is a deficient number, since it is larger than the sum of its proper divisors (1).

12708640093 is an equidigital number, since it uses as much as digits as its factorization.

12708640093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 12708640093 in words is "twelve billion, seven hundred eight million, six hundred forty thousand, ninety-three".