12911713 has 2 divisors, whose sum is σ = 12911714. Its totient is φ = 12911712.

The previous prime is 12911711. The next prime is 12911741. The reversal of 12911713 is 31711921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9290304 + 3621409 = 3048^2 + 1903^2 .

It is a cyclic number.

It is not a de Polignac number, because 12911713 - 2¹ = 12911711 is a prime.

Together with 12911711, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12911711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6455856 + 6455857.

It is an arithmetic number, because the mean of its divisors is an integer number (6455857).

Almost surely, 2^12911713 is an apocalyptic number.

It is an amenable number.

12911713 is a deficient number, since it is larger than the sum of its proper divisors (1).

12911713 is an equidigital number, since it uses as much as digits as its factorization.

12911713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378, while the sum is 25.

The square root of 12911713 is about 3593.2872136805. The cubic root of 12911713 is about 234.5999713163.

The spelling of 12911713 in words is "twelve million, nine hundred eleven thousand, seven hundred thirteen".