12745633524 has 48 divisors (see below), whose sum is σ = 32708944128. Its totient is φ = 3838290048.

The previous prime is 12745633501. The next prime is 12745633529. The reversal of 12745633524 is 42533654721.

It is a super-2 number, since 2×12745633524² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12745633529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 861847 + ... + 876510.

It is an arithmetic number, because the mean of its divisors is an integer number (681436336).

Almost surely, 2^12745633524 is an apocalyptic number.

It is an amenable number.

12745633524 is an abundant number, since it is smaller than the sum of its proper divisors (19963310604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12745633524 is a wasteful number, since it uses less digits than its factorization.

12745633524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738424 (or 1738422 counting only the distinct ones).

The product of its digits is 604800, while the sum is 42.

The spelling of 12745633524 in words is "twelve billion, seven hundred forty-five million, six hundred thirty-three thousand, five hundred twenty-four".