12000903 has 4 divisors (see below), whose sum is σ = 16001208. Its totient is φ = 8000600.

The previous prime is 12000899. The next prime is 12000931. The reversal of 12000903 is 30900021.

12000903 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.

It is a cyclic number.

It is not a de Polignac number, because 12000903 - 2² = 12000899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12008903) 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, 2000148 + ... + 2000153.

It is an arithmetic number, because the mean of its divisors is an integer number (4000302).

Almost surely, 2^12000903 is an apocalyptic number.

12000903 is a deficient number, since it is larger than the sum of its proper divisors (4000305).

12000903 is an equidigital number, since it uses as much as digits as its factorization.

12000903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000304.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 12000903 is about 3464.2319495092. The cubic root of 12000903 is about 228.9485910164.

Adding to 12000903 its reverse (30900021), we get a palindrome (42900924).

The spelling of 12000903 in words is "twelve million, nine hundred three", and thus it is an aban number.