12030903 has 8 divisors (see below), whose sum is σ = 17823600. Its totient is φ = 8020584.

The previous prime is 12030901. The next prime is 12030913. The reversal of 12030903 is 30903021.

It is not a de Polignac number, because 12030903 - 2¹ = 12030901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222768 + ... + 222821.

It is an arithmetic number, because the mean of its divisors is an integer number (2227950).

Almost surely, 2^12030903 is an apocalyptic number.

12030903 is a deficient number, since it is larger than the sum of its proper divisors (5792697).

12030903 is an equidigital number, since it uses as much as digits as its factorization.

12030903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445598 (or 445592 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 12030903 is about 3468.5592109693. The cubic root of 12030903 is about 229.1392084053.

Adding to 12030903 its reverse (30903021), we get a palindrome (42933924).

The spelling of 12030903 in words is "twelve million, thirty thousand, nine hundred three".