12874946939405 has 8 divisors (see below), whose sum is σ = 16358756111352. Its totient is φ = 9694077695488.

The previous prime is 12874946939383. The next prime is 12874946939423. The reversal of 12874946939405 is 50493964947821.

It can be written as a sum of positive squares in 4 ways, for example, as 4604916852649 + 8270030086756 = 2145907^2 + 2875766^2 .

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 12874946939405 - 2¹⁴ = 12874946923021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75734981912 + ... + 75734982081.

It is an arithmetic number, because the mean of its divisors is an integer number (2044844513919).

It is a 1-persistent number, because it is pandigital, but 2⋅12874946939405 = 25749893878810 is not.

Almost surely, 2^{12874946939405} is an apocalyptic number.

It is an amenable number.

12874946939405 is a deficient number, since it is larger than the sum of its proper divisors (3483809171947).

12874946939405 is a wasteful number, since it uses less digits than its factorization.

12874946939405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151469964015.

The product of its (nonzero) digits is 470292480, while the sum is 71.

The spelling of 12874946939405 in words is "twelve trillion, eight hundred seventy-four billion, nine hundred forty-six million, nine hundred thirty-nine thousand, four hundred five".