12808781596 has 96 divisors (see below), whose sum is σ = 25722224640. Its totient is φ = 5538564864.

The previous prime is 12808781591. The next prime is 12808781611. The reversal of 12808781596 is 69518780821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12808781591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9000541 + ... + 9001963.

It is an arithmetic number, because the mean of its divisors is an integer number (267939840).

Almost surely, 2^12808781596 is an apocalyptic number.

It is an amenable number.

12808781596 is an abundant number, since it is smaller than the sum of its proper divisors (12913443044).

12808781596 is a wasteful number, since it uses less digits than its factorization.

12808781596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643 (or 1641 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 55.

The spelling of 12808781596 in words is "twelve billion, eight hundred eight million, seven hundred eighty-one thousand, five hundred ninety-six".