12426015307513 has 2 divisors, whose sum is σ = 12426015307514. Its totient is φ = 12426015307512.

The previous prime is 12426015307469. The next prime is 12426015307529. The reversal of 12426015307513 is 31570351062421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10676405945529 + 1749609361984 = 3267477^2 + 1322728^2 .

It is an emirp because it is prime and its reverse (31570351062421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12426015307513 - 2²⁹ = 12425478436601 is a prime.

It is not a weakly prime, because it can be changed into another prime (12426015307913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6213007653756 + 6213007653757.

It is an arithmetic number, because the mean of its divisors is an integer number (6213007653757).

Almost surely, 2^{12426015307513} is an apocalyptic number.

It is an amenable number.

12426015307513 is a deficient number, since it is larger than the sum of its proper divisors (1).

12426015307513 is an equidigital number, since it uses as much as digits as its factorization.

12426015307513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 40.

Adding to 12426015307513 its reverse (31570351062421), we get a palindrome (43996366369934).

The spelling of 12426015307513 in words is "twelve trillion, four hundred twenty-six billion, fifteen million, three hundred seven thousand, five hundred thirteen".