12868632773 has 8 divisors (see below), whose sum is σ = 13146000120. Its totient is φ = 12593407680.

The previous prime is 12868632769. The next prime is 12868632809. The reversal of 12868632773 is 37723686821.

It can be written as a sum of positive squares in 4 ways, for example, as 25623844 + 12843008929 = 5062^2 + 113327^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12868632773 - 2² = 12868632769 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12868632713) 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, 523418 + ... + 547451.

It is an arithmetic number, because the mean of its divisors is an integer number (1643250015).

Almost surely, 2^12868632773 is an apocalyptic number.

It is an amenable number.

12868632773 is a deficient number, since it is larger than the sum of its proper divisors (277367347).

12868632773 is a wasteful number, since it uses less digits than its factorization.

12868632773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071127.

The product of its digits is 4064256, while the sum is 53.

The spelling of 12868632773 in words is "twelve billion, eight hundred sixty-eight million, six hundred thirty-two thousand, seven hundred seventy-three".