12513263756377 has 16 divisors (see below), whose sum is σ = 13453813463040. Its totient is φ = 11600973661968.

The previous prime is 12513263756359. The next prime is 12513263756419. The reversal of 12513263756377 is 77365736231521.

It is a cyclic number.

It is not a de Polignac number, because 12513263756377 - 2³⁹ = 11963507942489 is a prime.

It is a super-2 number, since 2×12513263756377² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12513263756177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6194958 + ... + 7962664.

It is an arithmetic number, because the mean of its divisors is an integer number (840863341440).

Almost surely, 2^{12513263756377} is an apocalyptic number.

It is an amenable number.

12513263756377 is a deficient number, since it is larger than the sum of its proper divisors (940549706663).

12513263756377 is a wasteful number, since it uses less digits than its factorization.

12513263756377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775700.

The product of its digits is 33339600, while the sum is 58.

Adding to 12513263756377 its reverse (77365736231521), we get a palindrome (89878999987898).

The spelling of 12513263756377 in words is "twelve trillion, five hundred thirteen billion, two hundred sixty-three million, seven hundred fifty-six thousand, three hundred seventy-seven".