12793825940 has 96 divisors (see below), whose sum is σ = 32382443520. Its totient is φ = 4147721856.

The previous prime is 12793825931. The next prime is 12793825943. The reversal of 12793825940 is 4952839721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12793825943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1493309 + ... + 1501851.

It is an arithmetic number, because the mean of its divisors is an integer number (337317120).

Almost surely, 2^12793825940 is an apocalyptic number.

12793825940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12793825940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16191221760).

12793825940 is an abundant number, since it is smaller than the sum of its proper divisors (19588617580).

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

12793825940 is a wasteful number, since it uses less digits than its factorization.

12793825940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9141 (or 9139 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 12793825940 in words is "twelve billion, seven hundred ninety-three million, eight hundred twenty-five thousand, nine hundred forty".