12945752276 has 6 divisors (see below), whose sum is σ = 22655066490. Its totient is φ = 6472876136.

The previous prime is 12945752257. The next prime is 12945752321. The reversal of 12945752276 is 67225754921.

It can be written as a sum of positive squares in only one way, i.e., 11798304400 + 1147447876 = 108620^2 + 33874^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1618219031 + ... + 1618219038.

It is an arithmetic number, because the mean of its divisors is an integer number (3775844415).

Almost surely, 2^12945752276 is an apocalyptic number.

It is an amenable number.

12945752276 is a deficient number, since it is larger than the sum of its proper divisors (9709314214).

12945752276 is a wasteful number, since it uses less digits than its factorization.

12945752276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3236438073 (or 3236438071 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 50.

The spelling of 12945752276 in words is "twelve billion, nine hundred forty-five million, seven hundred fifty-two thousand, two hundred seventy-six".