12513725749 has 16 divisors (see below), whose sum is σ = 14712751872. Its totient is φ = 10421468928.

The previous prime is 12513725747. The next prime is 12513725753. The reversal of 12513725749 is 94752731521.

12513725749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12513725749 - 2¹ = 12513725747 is a prime.

It is a super-2 number, since 2×12513725749² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12513725699 and 12513725708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12513725747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125524 + ... + 201949.

It is an arithmetic number, because the mean of its divisors is an integer number (919546992).

Almost surely, 2^12513725749 is an apocalyptic number.

It is an amenable number.

12513725749 is a deficient number, since it is larger than the sum of its proper divisors (2199026123).

12513725749 is a wasteful number, since it uses less digits than its factorization.

12513725749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327636.

The product of its digits is 529200, while the sum is 46.

The spelling of 12513725749 in words is "twelve billion, five hundred thirteen million, seven hundred twenty-five thousand, seven hundred forty-nine".