12884481806 has 32 divisors (see below), whose sum is σ = 22703196672. Its totient is φ = 5368286880.

The previous prime is 12884481751. The next prime is 12884481809. The reversal of 12884481806 is 60818448821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12884481809) 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 15 ways as a sum of consecutive naturals, for example, 667511 + ... + 686541.

It is an arithmetic number, because the mean of its divisors is an integer number (709474896).

Almost surely, 2^12884481806 is an apocalyptic number.

12884481806 is a deficient number, since it is larger than the sum of its proper divisors (9818714866).

12884481806 is a wasteful number, since it uses less digits than its factorization.

12884481806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20384.

The product of its (nonzero) digits is 786432, while the sum is 50.

The spelling of 12884481806 in words is "twelve billion, eight hundred eighty-four million, four hundred eighty-one thousand, eight hundred six".