12974940833385 has 32 divisors (see below), whose sum is σ = 20851745241600. Its totient is φ = 6889362956288.

The previous prime is 12974940833377. The next prime is 12974940833417. The reversal of 12974940833385 is 58333804947921.

It is a cyclic number.

It is not a de Polignac number, because 12974940833385 - 2³ = 12974940833377 is a prime.

It is a super-4 number, since 4×12974940833385⁴ (a number of 54 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26765641 + ... + 27246089.

It is an arithmetic number, because the mean of its divisors is an integer number (651617038800).

Almost surely, 2^{12974940833385} is an apocalyptic number.

12974940833385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12974940833385 is a deficient number, since it is larger than the sum of its proper divisors (7876804408215).

12974940833385 is a wasteful number, since it uses less digits than its factorization.

12974940833385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488417.

The product of its (nonzero) digits is 156764160, while the sum is 66.

The spelling of 12974940833385 in words is "twelve trillion, nine hundred seventy-four billion, nine hundred forty million, eight hundred thirty-three thousand, three hundred eighty-five".