12450225 has 24 divisors (see below), whose sum is σ = 21670240. Its totient is φ = 6289920.

The previous prime is 12450211. The next prime is 12450247. The reversal of 12450225 is 52205421.

It is a happy number.

It is not a de Polignac number, because 12450225 - 2¹³ = 12442033 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2944 + ... + 5793.

Almost surely, 2^12450225 is an apocalyptic number.

12450225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12450225 is a deficient number, since it is larger than the sum of its proper divisors (9220015).

12450225 is a wasteful number, since it uses less digits than its factorization.

12450225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8769 (or 8764 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 12450225 is about 3528.4876363677. The cubic root of 12450225 is about 231.7709851140.

Adding to 12450225 its reverse (52205421), we get a palindrome (64655646).

The spelling of 12450225 in words is "twelve million, four hundred fifty thousand, two hundred twenty-five".