12796328403 has 10 divisors (see below), whose sum is σ = 19115503044. Its totient is φ = 8530885548.

The previous prime is 12796328371. The next prime is 12796328513. The reversal of 12796328403 is 30482369721.

12796328403 is a `hidden beast` number, since 1 + 2 + 7 + 9 + 632 + 8 + 4 + 0 + 3 = 666.

It is not a de Polignac number, because 12796328403 - 2⁵ = 12796328371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12796323403) 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, 78989601 + ... + 78989762.

Almost surely, 2^12796328403 is an apocalyptic number.

12796328403 is a deficient number, since it is larger than the sum of its proper divisors (6319174641).

12796328403 is an equidigital number, since it uses as much as digits as its factorization.

12796328403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157979375 (or 157979366 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 12796328403 in words is "twelve billion, seven hundred ninety-six million, three hundred twenty-eight thousand, four hundred three".