12808739841 has 8 divisors (see below), whose sum is σ = 17093892384. Its totient is φ = 8531373600.

The previous prime is 12808739837. The next prime is 12808739863. The reversal of 12808739841 is 14893780821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12808739841 - 2² = 12808739837 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12808739341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1942735 + ... + 1949316.

It is an arithmetic number, because the mean of its divisors is an integer number (2136736548).

Almost surely, 2^12808739841 is an apocalyptic number.

It is an amenable number.

12808739841 is a deficient number, since it is larger than the sum of its proper divisors (4285152543).

12808739841 is a wasteful number, since it uses less digits than its factorization.

12808739841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3893151.

The product of its (nonzero) digits is 774144, while the sum is 51.

The spelling of 12808739841 in words is "twelve billion, eight hundred eight million, seven hundred thirty-nine thousand, eight hundred forty-one".