12530250 has 48 divisors (see below), whose sum is σ = 33887880. Its totient is φ = 3340800.

The previous prime is 12530213. The next prime is 12530251. The reversal of 12530250 is 5203521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1896129 + 10634121 = 1377^2 + 3261^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12530251) 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 23 ways as a sum of consecutive naturals, for example, 535 + ... + 5034.

Almost surely, 2^12530250 is an apocalyptic number.

12530250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12530250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16943940).

12530250 is an abundant number, since it is smaller than the sum of its proper divisors (21357630).

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

12530250 is a wasteful number, since it uses less digits than its factorization.

12530250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5592 (or 5579 counting only the distinct ones).

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

The square root of 12530250 is about 3539.8093168983. The cubic root of 12530250 is about 232.2665016163.

Adding to 12530250 its reverse (5203521), we get a palindrome (17733771).

The spelling of 12530250 in words is "twelve million, five hundred thirty thousand, two hundred fifty".