12258225 has 72 divisors (see below), whose sum is σ = 25817792. Its totient is φ = 5443200.

The previous prime is 12258217. The next prime is 12258229. The reversal of 12258225 is 52285221.

It is not a de Polignac number, because 12258225 - 2³ = 12258217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12258229) 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 71 ways as a sum of consecutive naturals, for example, 67635 + ... + 67815.

Almost surely, 2^12258225 is an apocalyptic number.

12258225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12258225 is an abundant number, since it is smaller than the sum of its proper divisors (13559567).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12258225 is a wasteful number, since it uses less digits than its factorization.

12258225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 239 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 12258225 is about 3501.1748028340. The cubic root of 12258225 is about 230.5733960378.

The spelling of 12258225 in words is "twelve million, two hundred fifty-eight thousand, two hundred twenty-five".