12796480000 has 100 divisors (see below), whose sum is σ = 31950530370. Its totient is φ = 5118464000.

The previous prime is 12796479979. The next prime is 12796480001. The reversal of 12796480000 is 8469721.

It can be written as a sum of positive squares in 5 ways, for example, as 83466496 + 12713013504 = 9136^2 + 112752^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is not an unprimeable number, because it can be changed into a prime (12796480001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 300006 + ... + 339994.

Almost surely, 2^12796480000 is an apocalyptic number.

12796480000 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 12796480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15975265185).

12796480000 is an abundant number, since it is smaller than the sum of its proper divisors (19154050370).

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

12796480000 is an frugal number, since it uses more digits than its factorization.

12796480000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40027 (or 39996 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 12796480000 in words is "twelve billion, seven hundred ninety-six million, four hundred eighty thousand".