12687003 has 32 divisors (see below), whose sum is σ = 22617600. Its totient is φ = 6866208.

The previous prime is 12687001. The next prime is 12687011. The reversal of 12687003 is 30078621.

12687003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12687003 - 2¹ = 12687001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12687001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1825 + ... + 5357.

It is an arithmetic number, because the mean of its divisors is an integer number (706800).

Almost surely, 2^12687003 is an apocalyptic number.

12687003 is a deficient number, since it is larger than the sum of its proper divisors (9930597).

12687003 is a wasteful number, since it uses less digits than its factorization.

12687003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3568 (or 3562 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 12687003 is about 3561.8819463873. The cubic root of 12687003 is about 233.2310392875.

The spelling of 12687003 in words is "twelve million, six hundred eighty-seven thousand, three".