12330228 has 12 divisors (see below), whose sum is σ = 28770560. Its totient is φ = 4110072.

The previous prime is 12330209. The next prime is 12330247. The reversal of 12330228 is 82203321.

12330228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12330209) and next prime (12330247).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513748 + ... + 513771.

Almost surely, 2^12330228 is an apocalyptic number.

It is an amenable number.

12330228 is an abundant number, since it is smaller than the sum of its proper divisors (16440332).

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

12330228 is a wasteful number, since it uses less digits than its factorization.

12330228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027526 (or 1027524 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 12330228 is about 3511.4424386568. The cubic root of 12330228 is about 231.0239663296.

Adding to 12330228 its reverse (82203321), we get a palindrome (94533549).

The spelling of 12330228 in words is "twelve million, three hundred thirty thousand, two hundred twenty-eight".