12530268 has 48 divisors (see below), whose sum is σ = 32716320. Its totient is φ = 4147200.

The previous prime is 12530267. The next prime is 12530279. The reversal of 12530268 is 86203521.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12530263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19228 + ... + 19868.

It is an arithmetic number, because the mean of its divisors is an integer number (681590).

Almost surely, 2^12530268 is an apocalyptic number.

12530268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12530268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16358160).

12530268 is an abundant number, since it is smaller than the sum of its proper divisors (20186052).

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

12530268 is a wasteful number, since it uses less digits than its factorization.

12530268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835 (or 827 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 12530268 is about 3539.8118594072. The cubic root of 12530268 is about 232.2666128350.

Adding to 12530268 its reverse (86203521), we get a palindrome (98733789).

The spelling of 12530268 in words is "twelve million, five hundred thirty thousand, two hundred sixty-eight".