12973133728785 has 8 divisors (see below), whose sum is σ = 20757013966080. Its totient is φ = 6919004655344.

The previous prime is 12973133728777. The next prime is 12973133728829. The reversal of 12973133728785 is 58782733137921.

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 12973133728785 - 2³ = 12973133728777 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432437790945 + ... + 432437790974.

It is an arithmetic number, because the mean of its divisors is an integer number (2594626745760).

Almost surely, 2^{12973133728785} is an apocalyptic number.

12973133728785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12973133728785 is a deficient number, since it is larger than the sum of its proper divisors (7783880237295).

12973133728785 is an equidigital number, since it uses as much as digits as its factorization.

12973133728785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864875581927.

The product of its digits is 106686720, while the sum is 66.

The spelling of 12973133728785 in words is "twelve trillion, nine hundred seventy-three billion, one hundred thirty-three million, seven hundred twenty-eight thousand, seven hundred eighty-five".