12794997280 has 96 divisors (see below), whose sum is σ = 32600752128. Its totient is φ = 4717440000.

The previous prime is 12794997253. The next prime is 12794997323. The reversal of 12794997280 is 8279949721.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1557985 + ... + 1566175.

It is an arithmetic number, because the mean of its divisors is an integer number (339591168).

Almost surely, 2^12794997280 is an apocalyptic number.

12794997280 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 12794997280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16300376064).

12794997280 is an abundant number, since it is smaller than the sum of its proper divisors (19805754848).

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

12794997280 is a wasteful number, since it uses less digits than its factorization.

12794997280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8970 (or 8962 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 58.

The spelling of 12794997280 in words is "twelve billion, seven hundred ninety-four million, nine hundred ninety-seven thousand, two hundred eighty".