12008225 has 6 divisors (see below), whose sum is σ = 14890230. Its totient is φ = 9606560.

The previous prime is 12008219. The next prime is 12008251. The reversal of 12008225 is 52280021.

12008225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1032256 + 10975969 = 1016^2 + 3313^2 .

It is not a de Polignac number, because 12008225 - 2²⁰ = 10959649 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12008197 and 12008206.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 240140 + ... + 240189.

It is an arithmetic number, because the mean of its divisors is an integer number (2481705).

Almost surely, 2^12008225 is an apocalyptic number.

It is an amenable number.

12008225 is a deficient number, since it is larger than the sum of its proper divisors (2882005).

12008225 is an equidigital number, since it uses as much as digits as its factorization.

12008225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480339 (or 480334 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 12008225 is about 3465.2885882708. The cubic root of 12008225 is about 228.9951436459.

Adding to 12008225 its reverse (52280021), we get a palindrome (64288246).

The spelling of 12008225 in words is "twelve million, eight thousand, two hundred twenty-five".