12793438272 has 28 divisors (see below), whose sum is σ = 33849305936. Its totient is φ = 4264479360.

The previous prime is 12793438271. The next prime is 12793438277. The reversal of 12793438272 is 27283439721.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (12793438271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33316054 + ... + 33316437.

Almost surely, 2^12793438272 is an apocalyptic number.

12793438272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12793438272 is an abundant number, since it is smaller than the sum of its proper divisors (21055867664).

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

12793438272 is an equidigital number, since it uses as much as digits as its factorization.

12793438272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66632506 (or 66632496 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The spelling of 12793438272 in words is "twelve billion, seven hundred ninety-three million, four hundred thirty-eight thousand, two hundred seventy-two".