12652225 has 12 divisors (see below), whose sum is σ = 15741180. Its totient is φ = 10088000.

The previous prime is 12652219. The next prime is 12652229. The reversal of 12652225 is 52225621.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4682896 + 7969329 = 2164^2 + 2823^2 .

It is not a de Polignac number, because 12652225 - 2³ = 12652217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 12652225.

It is not an unprimeable number, because it can be changed into a prime (12652229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9075 + ... + 10375.

It is an arithmetic number, because the mean of its divisors is an integer number (1311765).

Almost surely, 2^12652225 is an apocalyptic number.

It is an amenable number.

12652225 is a deficient number, since it is larger than the sum of its proper divisors (3088955).

12652225 is a wasteful number, since it uses less digits than its factorization.

12652225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700 (or 1695 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 12652225 is about 3556.9966263689. The cubic root of 12652225 is about 233.0177309107.

Adding to 12652225 its reverse (52225621), we get a palindrome (64877846).

The spelling of 12652225 in words is "twelve million, six hundred fifty-two thousand, two hundred twenty-five".