12530103 has 4 divisors (see below), whose sum is σ = 16706808. Its totient is φ = 8353400.

The previous prime is 12530099. The next prime is 12530123. The reversal of 12530103 is 30103521.

It is a happy number.

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 12530103 - 2² = 12530099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12530123) 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, 2088348 + ... + 2088353.

It is an arithmetic number, because the mean of its divisors is an integer number (4176702).

Almost surely, 2^12530103 is an apocalyptic number.

12530103 is a deficient number, since it is larger than the sum of its proper divisors (4176705).

12530103 is an equidigital number, since it uses as much as digits as its factorization.

12530103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176704.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 12530103 is about 3539.7885530071. The cubic root of 12530103 is about 232.2655933261.

Adding to 12530103 its reverse (30103521), we get a palindrome (42633624).

The spelling of 12530103 in words is "twelve million, five hundred thirty thousand, one hundred three".