12794651280 has 60 divisors (see below), whose sum is σ = 42968706300. Its totient is φ = 3411906816.

The previous prime is 12794651251. The next prime is 12794651291. The reversal of 12794651280 is 8215649721.

12794651280 is a `hidden beast` number, since 12 + 7 + 9 + 46 + 512 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1865203344 + 10929447936 = 43188^2 + 104544^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 8884455 + ... + 8885894.

It is an arithmetic number, because the mean of its divisors is an integer number (716145105).

Almost surely, 2^12794651280 is an apocalyptic number.

12794651280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12794651280 is an abundant number, since it is smaller than the sum of its proper divisors (30174055020).

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

12794651280 is a wasteful number, since it uses less digits than its factorization.

12794651280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17770368 (or 17770359 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 12794651280 in words is "twelve billion, seven hundred ninety-four million, six hundred fifty-one thousand, two hundred eighty".