12683487139 has 4 divisors (see below), whose sum is σ = 12714498520. Its totient is φ = 12652475760.

The previous prime is 12683487133. The next prime is 12683487169. The reversal of 12683487139 is 93178438621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93178438621 = 131 ⋅711285791.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12683487139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12683487133) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15505077 + ... + 15505894.

It is an arithmetic number, because the mean of its divisors is an integer number (3178624630).

Almost surely, 2^12683487139 is an apocalyptic number.

12683487139 is a deficient number, since it is larger than the sum of its proper divisors (31011381).

12683487139 is an equidigital number, since it uses as much as digits as its factorization.

12683487139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31011380.

The product of its digits is 1741824, while the sum is 52.

The spelling of 12683487139 in words is "twelve billion, six hundred eighty-three million, four hundred eighty-seven thousand, one hundred thirty-nine".