12736525538 has 32 divisors (see below), whose sum is σ = 20942055360. Its totient is φ = 5761488960.

The previous prime is 12736525537. The next prime is 12736525541. The reversal of 12736525538 is 83552563721.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12736525492 and 12736525501.

It is not an unprimeable number, because it can be changed into a prime (12736525537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5780345 + ... + 5782547.

It is an arithmetic number, because the mean of its divisors is an integer number (654439230).

Almost surely, 2^12736525538 is an apocalyptic number.

12736525538 is a deficient number, since it is larger than the sum of its proper divisors (8205529822).

12736525538 is a wasteful number, since it uses less digits than its factorization.

12736525538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362.

The product of its digits is 1512000, while the sum is 47.

The spelling of 12736525538 in words is "twelve billion, seven hundred thirty-six million, five hundred twenty-five thousand, five hundred thirty-eight".