12603225 has 12 divisors (see below), whose sum is σ = 20837456. Its totient is φ = 6721680.

The previous prime is 12603221. The next prime is 12603233. The reversal of 12603225 is 52230621.

12603225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12603225 - 2² = 12603221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12603221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83947 + ... + 84096.

Almost surely, 2^12603225 is an apocalyptic number.

12603225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12603225 is a deficient number, since it is larger than the sum of its proper divisors (8234231).

12603225 is a wasteful number, since it uses less digits than its factorization.

12603225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168056 (or 168051 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 12603225 is about 3550.1021112075. The cubic root of 12603225 is about 232.7165285410.

Adding to 12603225 its reverse (52230621), we get a palindrome (64833846).

The spelling of 12603225 in words is "twelve million, six hundred three thousand, two hundred twenty-five".