12776337044 has 12 divisors (see below), whose sum is σ = 22359983604. Its totient is φ = 6387770304.

The previous prime is 12776337043. The next prime is 12776337071. The reversal of 12776337044 is 44073367721.

It can be written as a sum of positive squares in 2 ways, for example, as 446899600 + 12329437444 = 21140^2 + 111038^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12776336986 and 12776337004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12776337043) 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 3 ways as a sum of consecutive naturals, for example, 20369 + ... + 161144.

It is an arithmetic number, because the mean of its divisors is an integer number (1863331967).

Almost surely, 2^12776337044 is an apocalyptic number.

It is an amenable number.

12776337044 is a deficient number, since it is larger than the sum of its proper divisors (9583646560).

12776337044 is a wasteful number, since it uses less digits than its factorization.

12776337044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199114 (or 199112 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 44.

The spelling of 12776337044 in words is "twelve billion, seven hundred seventy-six million, three hundred thirty-seven thousand, forty-four".