12530 has 16 divisors (see below), whose sum is σ = 25920. Its totient is φ = 4272.
The previous prime is 12527. The next prime is 12539. The reversal of 12530 is 3521.
12530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (12539) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20 + ... + 159.
It is an arithmetic number, because the mean of its divisors is an integer number (1620).
212530 is an apocalyptic number.
12530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12530 is an abundant number, since it is smaller than the sum of its proper divisors (13390).
It is a weird number, because it is abundant, but not a pseudoperfect number.
It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12960).
12530 is a wasteful number, since it uses less digits than its factorization.
12530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 193.
The product of its (nonzero) digits is 30, while the sum is 11.
The square root of 12530 is about 111.9374825516. The cubic root of 12530 is about 23.2264956901.
Subtracting from 12530 its reverse (3521), we obtain a palindrome (9009).
The spelling of 12530 in words is "twelve thousand, five hundred thirty".
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