12940323695 has 8 divisors (see below), whose sum is σ = 16722879936. Its totient is φ = 9555931296.

The previous prime is 12940323689. The next prime is 12940323719. The reversal of 12940323695 is 59632304921.

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 12940323695 - 2⁴ = 12940323679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99540887 + ... + 99541016.

It is an arithmetic number, because the mean of its divisors is an integer number (2090359992).

Almost surely, 2^12940323695 is an apocalyptic number.

12940323695 is a deficient number, since it is larger than the sum of its proper divisors (3782556241).

12940323695 is a wasteful number, since it uses less digits than its factorization.

12940323695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199081921.

The product of its (nonzero) digits is 349920, while the sum is 44.

The spelling of 12940323695 in words is "twelve billion, nine hundred forty million, three hundred twenty-three thousand, six hundred ninety-five".