12813176066 has 16 divisors (see below), whose sum is σ = 19427732280. Its totient is φ = 6337457280.

The previous prime is 12813176041. The next prime is 12813176069. The reversal of 12813176066 is 66067131821.

It can be written as a sum of positive squares in 4 ways, for example, as 5802630625 + 7010545441 = 76175^2 + 83729^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12813176069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86876 + ... + 182136.

Almost surely, 2^12813176066 is an apocalyptic number.

12813176066 is a deficient number, since it is larger than the sum of its proper divisors (6614556214).

12813176066 is a wasteful number, since it uses less digits than its factorization.

12813176066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95989.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 12813176066 in words is "twelve billion, eight hundred thirteen million, one hundred seventy-six thousand, sixty-six".