12030503 has 8 divisors (see below), whose sum is σ = 12220416. Its totient is φ = 11842200.

The previous prime is 12030463. The next prime is 12030521. The reversal of 12030503 is 30503021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12030503 - 2¹⁸ = 11768359 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 (12030533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27698 + ... + 28128.

It is an arithmetic number, because the mean of its divisors is an integer number (1527552).

Almost surely, 2^12030503 is an apocalyptic number.

12030503 is a deficient number, since it is larger than the sum of its proper divisors (189913).

12030503 is a wasteful number, since it uses less digits than its factorization.

12030503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 12030503 is about 3468.5015496609. The cubic root of 12030503 is about 229.1366689256.

Adding to 12030503 its reverse (30503021), we get a palindrome (42533524).

The spelling of 12030503 in words is "twelve million, thirty thousand, five hundred three".