12310225 has 6 divisors (see below), whose sum is σ = 15264710. Its totient is φ = 9848160.

The previous prime is 12310223. The next prime is 12310229. The reversal of 12310225 is 52201321.

It can be written as a sum of positive squares in 3 ways, for example, as 88209 + 12222016 = 297^2 + 3496^2 .

It is not a de Polignac number, because 12310225 - 2¹ = 12310223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12310199 and 12310208.

It is not an unprimeable number, because it can be changed into a prime (12310223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 246180 + ... + 246229.

Almost surely, 2^12310225 is an apocalyptic number.

It is an amenable number.

12310225 is a deficient number, since it is larger than the sum of its proper divisors (2954485).

12310225 is an equidigital number, since it uses as much as digits as its factorization.

12310225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492419 (or 492414 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12310225 is about 3508.5930228512. The cubic root of 12310225 is about 230.8989707067.

Adding to 12310225 its reverse (52201321), we get a palindrome (64511546).

The spelling of 12310225 in words is "twelve million, three hundred ten thousand, two hundred twenty-five".