12687183903 has 4 divisors (see below), whose sum is σ = 16916245208. Its totient is φ = 8458122600.

The previous prime is 12687183877. The next prime is 12687183911. The reversal of 12687183903 is 30938178621.

12687183903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12687183903 - 2⁸ = 12687183647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12687188903) 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 3 ways as a sum of consecutive naturals, for example, 2114530648 + ... + 2114530653.

It is an arithmetic number, because the mean of its divisors is an integer number (4229061302).

Almost surely, 2^12687183903 is an apocalyptic number.

12687183903 is a deficient number, since it is larger than the sum of its proper divisors (4229061305).

12687183903 is an equidigital number, since it uses as much as digits as its factorization.

12687183903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4229061304.

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 12687183903 in words is "twelve billion, six hundred eighty-seven million, one hundred eighty-three thousand, nine hundred three".