12575530 has 48 divisors (see below), whose sum is σ = 26238240. Its totient is φ = 4324320.

The previous prime is 12575527. The next prime is 12575551. The reversal of 12575530 is 3557521.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22717 + ... + 23263.

It is an arithmetic number, because the mean of its divisors is an integer number (546630).

Almost surely, 2^12575530 is an apocalyptic number.

12575530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12575530 is an abundant number, since it is smaller than the sum of its proper divisors (13662710).

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

12575530 is a wasteful number, since it uses less digits than its factorization.

12575530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 12575530 is about 3546.1993739777. The cubic root of 12575530 is about 232.5459422835.

Subtracting from 12575530 its reverse (3557521), we obtain a square (9018009 = 3003²).

The spelling of 12575530 in words is "twelve million, five hundred seventy-five thousand, five hundred thirty".