12763282856 has 8 divisors (see below), whose sum is σ = 23931155370. Its totient is φ = 6381641424.

The previous prime is 12763282841. The next prime is 12763282859. The reversal of 12763282856 is 65828236721.

It can be written as a sum of positive squares in only one way, i.e., 9356692900 + 3406589956 = 96730^2 + 58366^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (12763282859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 797705171 + ... + 797705186.

Almost surely, 2^12763282856 is an apocalyptic number.

It is an amenable number.

12763282856 is a deficient number, since it is larger than the sum of its proper divisors (11167872514).

12763282856 is a wasteful number, since it uses less digits than its factorization.

12763282856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595410363 (or 1595410359 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 50.

The spelling of 12763282856 in words is "twelve billion, seven hundred sixty-three million, two hundred eighty-two thousand, eight hundred fifty-six".