12825376807636 has 6 divisors (see below), whose sum is σ = 22444409413370. Its totient is φ = 6412688403816.

The previous prime is 12825376807583. The next prime is 12825376807679. The reversal of 12825376807636 is 63670867352821.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8884238654736 + 3941138152900 = 2980644^2 + 1985230^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1603172100951 + ... + 1603172100958.

Almost surely, 2^{12825376807636} is an apocalyptic number.

It is an amenable number.

12825376807636 is a deficient number, since it is larger than the sum of its proper divisors (9619032605734).

12825376807636 is a wasteful number, since it uses less digits than its factorization.

12825376807636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206344201913 (or 3206344201911 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 64.

The spelling of 12825376807636 in words is "twelve trillion, eight hundred twenty-five billion, three hundred seventy-six million, eight hundred seven thousand, six hundred thirty-six".