12736736782 has 64 divisors (see below), whose sum is σ = 24067031040. Its totient is φ = 4910976000.

The previous prime is 12736736767. The next prime is 12736736801. The reversal of 12736736782 is 28763763721.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 13709694 + ... + 13710622.

It is an arithmetic number, because the mean of its divisors is an integer number (376047360).

Almost surely, 2^12736736782 is an apocalyptic number.

12736736782 is a deficient number, since it is larger than the sum of its proper divisors (11330294258).

12736736782 is a wasteful number, since it uses less digits than its factorization.

12736736782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777.

The product of its digits is 3556224, while the sum is 52.

The spelling of 12736736782 in words is "twelve billion, seven hundred thirty-six million, seven hundred thirty-six thousand, seven hundred eighty-two".