12530113 has 4 divisors (see below), whose sum is σ = 12538708. Its totient is φ = 12521520.

The previous prime is 12530099. The next prime is 12530123. The reversal of 12530113 is 31103521.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6012304 + 6517809 = 2452^2 + 2553^2 .

It is a cyclic number.

It is not a de Polignac number, because 12530113 - 2⁵ = 12530081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12530123) 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 3 ways as a sum of consecutive naturals, for example, 1506 + ... + 5227.

It is an arithmetic number, because the mean of its divisors is an integer number (3134677).

Almost surely, 2^12530113 is an apocalyptic number.

It is an amenable number.

12530113 is a deficient number, since it is larger than the sum of its proper divisors (8595).

12530113 is an equidigital number, since it uses as much as digits as its factorization.

12530113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8594.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 12530113 is about 3539.7899655206. The cubic root of 12530113 is about 232.2656551148.

Adding to 12530113 its reverse (31103521), we get a palindrome (43633634).

The spelling of 12530113 in words is "twelve million, five hundred thirty thousand, one hundred thirteen".