12639341726276 has 6 divisors (see below), whose sum is σ = 22118848020990. Its totient is φ = 6319670863136.

The previous prime is 12639341726269. The next prime is 12639341726351. The reversal of 12639341726276 is 67262714393621.

It can be written as a sum of positive squares in only one way, i.e., 12064438092100 + 574903634176 = 3473390^2 + 758224^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1579917715781 + ... + 1579917715788.

It is an arithmetic number, because the mean of its divisors is an integer number (3686474670165).

Almost surely, 2^{12639341726276} is an apocalyptic number.

It is an amenable number.

12639341726276 is a deficient number, since it is larger than the sum of its proper divisors (9479506294714).

12639341726276 is a wasteful number, since it uses less digits than its factorization.

12639341726276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3159835431573 (or 3159835431571 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 59.

The spelling of 12639341726276 in words is "twelve trillion, six hundred thirty-nine billion, three hundred forty-one million, seven hundred twenty-six thousand, two hundred seventy-six".