12003225 has 36 divisors (see below), whose sum is σ = 21512016. Its totient is φ = 5903040.

The previous prime is 12003221. The next prime is 12003227. The reversal of 12003225 is 52230021.

It is not a de Polignac number, because 12003225 - 2² = 12003221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (12003221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12202 + ... + 13148.

It is an arithmetic number, because the mean of its divisors is an integer number (597556).

Almost surely, 2^12003225 is an apocalyptic number.

12003225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12003225 is a deficient number, since it is larger than the sum of its proper divisors (9508791).

12003225 is a wasteful number, since it uses less digits than its factorization.

12003225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986 (or 968 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 12003225 is about 3464.5670725215. The cubic root of 12003225 is about 228.9633561371.

Adding to 12003225 its reverse (52230021), we get a palindrome (64233246).

The spelling of 12003225 in words is "twelve million, three thousand, two hundred twenty-five".