12806783724 has 24 divisors (see below), whose sum is σ = 34151423488. Its totient is φ = 3659081040.

The previous prime is 12806783719. The next prime is 12806783741. The reversal of 12806783724 is 42738760821.

12806783724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12806783724² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76230772 + ... + 76230939.

Almost surely, 2^12806783724 is an apocalyptic number.

12806783724 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12806783724 is an abundant number, since it is smaller than the sum of its proper divisors (21344639764).

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

12806783724 is a wasteful number, since it uses less digits than its factorization.

12806783724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152461725 (or 152461723 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 12806783724 in words is "twelve billion, eight hundred six million, seven hundred eighty-three thousand, seven hundred twenty-four".