12108903 has 4 divisors (see below), whose sum is σ = 16145208. Its totient is φ = 8072600.

The previous prime is 12108893. The next prime is 12108911. The reversal of 12108903 is 30980121.

12108903 is digitally balanced in base 2 and base 4, because in such bases 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 a cyclic number.

It is not a de Polignac number, because 12108903 - 2⁸ = 12108647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12108203) 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, 2018148 + ... + 2018153.

It is an arithmetic number, because the mean of its divisors is an integer number (4036302).

Almost surely, 2^12108903 is an apocalyptic number.

12108903 is a deficient number, since it is larger than the sum of its proper divisors (4036305).

12108903 is an equidigital number, since it uses as much as digits as its factorization.

12108903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036304.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 12108903 is about 3479.7849071458. The cubic root of 12108903 is about 229.6333351199.

The spelling of 12108903 in words is "twelve million, one hundred eight thousand, nine hundred three".