12530205 has 24 divisors (see below), whose sum is σ = 21813792. Its totient is φ = 6653664.

The previous prime is 12530191. The next prime is 12530213. The reversal of 12530205 is 50203521.

It is a happy number.

It is not a de Polignac number, because 12530205 - 2²⁰ = 11481629 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13362 + ... + 14268.

It is an arithmetic number, because the mean of its divisors is an integer number (908908).

Almost surely, 2^12530205 is an apocalyptic number.

12530205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12530205 is a deficient number, since it is larger than the sum of its proper divisors (9283587).

12530205 is a wasteful number, since it uses less digits than its factorization.

12530205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225 (or 1222 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 12530205 is about 3539.8029606180. The cubic root of 12530205 is about 232.2662235690.

Adding to 12530205 its reverse (50203521), we get a palindrome (62733726).

The spelling of 12530205 in words is "twelve million, five hundred thirty thousand, two hundred five".