12886903 has 4 divisors (see below), whose sum is σ = 12897000. Its totient is φ = 12876808.

The previous prime is 12886891. The next prime is 12886919. The reversal of 12886903 is 30968821.

12886903 is digitally balanced in base 3, 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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 30968821 = 13 ⋅2382217.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12886903 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 (12886963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2800 + ... + 5797.

It is an arithmetic number, because the mean of its divisors is an integer number (3224250).

Almost surely, 2^12886903 is an apocalyptic number.

12886903 is a deficient number, since it is larger than the sum of its proper divisors (10097).

12886903 is an equidigital number, since it uses as much as digits as its factorization.

12886903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10096.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 12886903 is about 3589.8332830370. The cubic root of 12886903 is about 234.4496128195.

The spelling of 12886903 in words is "twelve million, eight hundred eighty-six thousand, nine hundred three".