12418225 has 12 divisors (see below), whose sum is σ = 15467760. Its totient is φ = 9890000.

The previous prime is 12418213. The next prime is 12418277. The reversal of 12418225 is 52281421.

It is not a de Polignac number, because 12418225 - 2⁵ = 12418193 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 12418225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5286 + ... + 7264.

It is an arithmetic number, because the mean of its divisors is an integer number (1288980).

Almost surely, 2^12418225 is an apocalyptic number.

It is an amenable number.

12418225 is a deficient number, since it is larger than the sum of its proper divisors (3049535).

12418225 is a wasteful number, since it uses less digits than its factorization.

12418225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240 (or 2235 counting only the distinct ones).

The product of its digits is 1280, while the sum is 25.

The square root of 12418225 is about 3523.9501982860. The cubic root of 12418225 is about 231.5722461405.

Adding to 12418225 its reverse (52281421), we get a palindrome (64699646).

The spelling of 12418225 in words is "twelve million, four hundred eighteen thousand, two hundred twenty-five".