12005078713 has 2 divisors, whose sum is σ = 12005078714. Its totient is φ = 12005078712.

The previous prime is 12005078663. The next prime is 12005078753. The reversal of 12005078713 is 31787050021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7182054009 + 4823024704 = 84747^2 + 69448^2 .

It is an emirp because it is prime and its reverse (31787050021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12005078713 is a prime.

It is not a weakly prime, because it can be changed into another prime (12005078753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6002539356 + 6002539357.

It is an arithmetic number, because the mean of its divisors is an integer number (6002539357).

Almost surely, 2^12005078713 is an apocalyptic number.

It is an amenable number.

12005078713 is a deficient number, since it is larger than the sum of its proper divisors (1).

12005078713 is an equidigital number, since it uses as much as digits as its factorization.

12005078713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 34.

The spelling of 12005078713 in words is "twelve billion, five million, seventy-eight thousand, seven hundred thirteen".