12030003 has 12 divisors (see below), whose sum is σ = 17537520. Its totient is φ = 7945776.

The previous prime is 12029987. The next prime is 12030017. The reversal of 12030003 is 30003021.

It is a happy number.

12030003 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12030003 - 2⁴ = 12029987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (12030043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5151 + ... + 7112.

It is an arithmetic number, because the mean of its divisors is an integer number (1461460).

Almost surely, 2^12030003 is an apocalyptic number.

12030003 is a deficient number, since it is larger than the sum of its proper divisors (5507517).

12030003 is a wasteful number, since it uses less digits than its factorization.

12030003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12378 (or 12375 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 12030003 is about 3468.4294716773. The cubic root of 12030003 is about 229.1334944970.

Adding to 12030003 its reverse (30003021), we get a palindrome (42033024).

The spelling of 12030003 in words is "twelve million, thirty thousand, three".