12828072836 has 24 divisors (see below), whose sum is σ = 22834502040. Its totient is φ = 6304089600.

The previous prime is 12828072833. The next prime is 12828072841. The reversal of 12828072836 is 63827082821.

It can be written as a sum of positive squares in 4 ways, for example, as 1940402500 + 10887670336 = 44050^2 + 104344^2 .

It is not an unprimeable number, because it can be changed into a prime (12828072833) 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, 312770 + ... + 351398.

It is an arithmetic number, because the mean of its divisors is an integer number (951437585).

Almost surely, 2^12828072836 is an apocalyptic number.

It is an amenable number.

12828072836 is a deficient number, since it is larger than the sum of its proper divisors (10006429204).

12828072836 is a wasteful number, since it uses less digits than its factorization.

12828072836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40055 (or 40053 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The spelling of 12828072836 in words is "twelve billion, eight hundred twenty-eight million, seventy-two thousand, eight hundred thirty-six".