12671903 has 4 divisors (see below), whose sum is σ = 12790440. Its totient is φ = 12553368.

The previous prime is 12671887. The next prime is 12671921. The reversal of 12671903 is 30917621.

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

It is a cyclic number.

It is not a de Polignac number, because 12671903 - 2⁴ = 12671887 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 (12671003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59108 + ... + 59321.

It is an arithmetic number, because the mean of its divisors is an integer number (3197610).

Almost surely, 2^12671903 is an apocalyptic number.

12671903 is a deficient number, since it is larger than the sum of its proper divisors (118537).

12671903 is a wasteful number, since it uses less digits than its factorization.

12671903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118536.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 12671903 is about 3559.7616493243. The cubic root of 12671903 is about 233.1384724609.

The spelling of 12671903 in words is "twelve million, six hundred seventy-one thousand, nine hundred three".