12806738186 has 16 divisors (see below), whose sum is σ = 21036172608. Its totient is φ = 5799108000.

The previous prime is 12806738159. The next prime is 12806738237. The reversal of 12806738186 is 68183760821.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1100915 + ... + 1112486.

It is an arithmetic number, because the mean of its divisors is an integer number (1314760788).

Almost surely, 2^12806738186 is an apocalyptic number.

12806738186 is a deficient number, since it is larger than the sum of its proper divisors (8229434422).

12806738186 is a wasteful number, since it uses less digits than its factorization.

12806738186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213677.

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 12806738186 in words is "twelve billion, eight hundred six million, seven hundred thirty-eight thousand, one hundred eighty-six".