12660277506013 has 2 divisors, whose sum is σ = 12660277506014. Its totient is φ = 12660277506012.

The previous prime is 12660277505999. The next prime is 12660277506031. The reversal of 12660277506013 is 31060577206621.

Together with next prime (12660277506031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12650563038169 + 9714467844 = 3556763^2 + 98562^2 .

It is a cyclic number.

It is not a de Polignac number, because 12660277506013 - 2¹³ = 12660277497821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12660277506113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6330138753006 + 6330138753007.

It is an arithmetic number, because the mean of its divisors is an integer number (6330138753007).

Almost surely, 2^{12660277506013} is an apocalyptic number.

It is an amenable number.

12660277506013 is a deficient number, since it is larger than the sum of its proper divisors (1).

12660277506013 is an equidigital number, since it uses as much as digits as its factorization.

12660277506013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 12660277506013 in words is "twelve trillion, six hundred sixty billion, two hundred seventy-seven million, five hundred six thousand, thirteen".