12530322 has 32 divisors (see below), whose sum is σ = 31824000. Its totient is φ = 3579984.

The previous prime is 12530321. The next prime is 12530339. The reversal of 12530322 is 22303521.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12530295 and 12530304.

It is not an unprimeable number, because it can be changed into a prime (12530321) 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 15 ways as a sum of consecutive naturals, for example, 16197 + ... + 16952.

It is an arithmetic number, because the mean of its divisors is an integer number (994500).

Almost surely, 2^12530322 is an apocalyptic number.

12530322 is an abundant number, since it is smaller than the sum of its proper divisors (19293678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12530322 is a wasteful number, since it uses less digits than its factorization.

12530322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33167 (or 33161 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 12530322 is about 3539.8194869230. The cubic root of 12530322 is about 232.2669464905.

Adding to 12530322 its reverse (22303521), we get a palindrome (34833843).

The spelling of 12530322 in words is "twelve million, five hundred thirty thousand, three hundred twenty-two".