12530203 has 4 divisors (see below), whose sum is σ = 14320240. Its totient is φ = 10740168.

The previous prime is 12530191. The next prime is 12530213. The reversal of 12530203 is 30203521.

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 12530203 - 2⁹ = 12529691 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12530213) 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, 895008 + ... + 895021.

It is an arithmetic number, because the mean of its divisors is an integer number (3580060).

Almost surely, 2^12530203 is an apocalyptic number.

12530203 is a deficient number, since it is larger than the sum of its proper divisors (1790037).

12530203 is an equidigital number, since it uses as much as digits as its factorization.

12530203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790036.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 12530203 is about 3539.8026781164. The cubic root of 12530203 is about 232.2662112114.

Adding to 12530203 its reverse (30203521), we get a palindrome (42733724).

The spelling of 12530203 in words is "twelve million, five hundred thirty thousand, two hundred three".