12939868587 has 8 divisors (see below), whose sum is σ = 17254250640. Its totient is φ = 8626032800.

The previous prime is 12939868577. The next prime is 12939868603. The reversal of 12939868587 is 78586893921.

It is a happy number.

12939868587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12939868587 - 2¹⁴ = 12939852203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12939868537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77664 + ... + 178637.

It is an arithmetic number, because the mean of its divisors is an integer number (2156781330).

Almost surely, 2^12939868587 is an apocalyptic number.

12939868587 is a deficient number, since it is larger than the sum of its proper divisors (4314382053).

12939868587 is a wasteful number, since it uses less digits than its factorization.

12939868587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273133.

The product of its digits is 52254720, while the sum is 66.

The spelling of 12939868587 in words is "twelve billion, nine hundred thirty-nine million, eight hundred sixty-eight thousand, five hundred eighty-seven".