12340646713 has 2 divisors, whose sum is σ = 12340646714. Its totient is φ = 12340646712.

The previous prime is 12340646651. The next prime is 12340646743. The reversal of 12340646713 is 31764604321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11791353744 + 549292969 = 108588^2 + 23437^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12340646713 is a prime.

It is a super-2 number, since 2×12340646713² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12340646743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6170323356 + 6170323357.

It is an arithmetic number, because the mean of its divisors is an integer number (6170323357).

Almost surely, 2^12340646713 is an apocalyptic number.

It is an amenable number.

12340646713 is a deficient number, since it is larger than the sum of its proper divisors (1).

12340646713 is an equidigital number, since it uses as much as digits as its factorization.

12340646713 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 37.

The spelling of 12340646713 in words is "twelve billion, three hundred forty million, six hundred forty-six thousand, seven hundred thirteen".