12245530 has 16 divisors (see below), whose sum is σ = 24045984. Its totient is φ = 4452880.

The previous prime is 12245503. The next prime is 12245533. The reversal of 12245530 is 3554221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (12245533) 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 7 ways as a sum of consecutive naturals, for example, 55552 + ... + 55771.

It is an arithmetic number, because the mean of its divisors is an integer number (1502874).

Almost surely, 2^12245530 is an apocalyptic number.

12245530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12245530 is a deficient number, since it is larger than the sum of its proper divisors (11800454).

12245530 is a wasteful number, since it uses less digits than its factorization.

12245530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111341.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 12245530 is about 3499.3613703074. The cubic root of 12245530 is about 230.4937722119.

Adding to 12245530 its reverse (3554221), we get a palindrome (15799751).

It can be divided in two parts, 12 and 245530, that added together give a palindrome (245542).

The spelling of 12245530 in words is "twelve million, two hundred forty-five thousand, five hundred thirty".