12745984732 has 36 divisors (see below), whose sum is σ = 24197341896. Its totient is φ = 5872027200.

The previous prime is 12745984717. The next prime is 12745984747. The reversal of 12745984732 is 23748954721.

It is an interprime number because it is at equal distance from previous prime (12745984717) and next prime (12745984747).

It is a super-2 number, since 2×12745984732² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 12745984732.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 359607 + ... + 393457.

It is an arithmetic number, because the mean of its divisors is an integer number (672148386).

Almost surely, 2^12745984732 is an apocalyptic number.

It is an amenable number.

12745984732 is a deficient number, since it is larger than the sum of its proper divisors (11451357164).

12745984732 is a wasteful number, since it uses less digits than its factorization.

12745984732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34438 (or 34423 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 52.

The spelling of 12745984732 in words is "twelve billion, seven hundred forty-five million, nine hundred eighty-four thousand, seven hundred thirty-two".