12568530 has 96 divisors (see below), whose sum is σ = 34046784. Its totient is φ = 2965248.

The previous prime is 12568499. The next prime is 12568531. The reversal of 12568530 is 3586521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (12568531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 187557 + ... + 187623.

It is an arithmetic number, because the mean of its divisors is an integer number (354654).

Almost surely, 2^12568530 is an apocalyptic number.

12568530 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 12568530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17023392).

12568530 is an abundant number, since it is smaller than the sum of its proper divisors (21478254).

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

12568530 is a wasteful number, since it uses less digits than its factorization.

12568530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 12568530 is about 3545.2122644491. The cubic root of 12568530 is about 232.5027864159.

Subtracting from 12568530 its reverse (3586521), we obtain a square (8982009 = 2997²).

The spelling of 12568530 in words is "twelve million, five hundred sixty-eight thousand, five hundred thirty".