12193228 has 12 divisors (see below), whose sum is σ = 21408520. Its totient is φ = 6076512.

The previous prime is 12193211. The next prime is 12193241. The reversal of 12193228 is 82239121.

12193228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12193196 and 12193205.

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, 3618 + ... + 6121.

Almost surely, 2^12193228 is an apocalyptic number.

It is an amenable number.

12193228 is a deficient number, since it is larger than the sum of its proper divisors (9215292).

12193228 is a wasteful number, since it uses less digits than its factorization.

12193228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10056 (or 10054 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 12193228 is about 3491.8802957719. The cubic root of 12193228 is about 230.1651491888.

It can be divided in two parts, 12193 and 228, that added together give a palindrome (12421).

The spelling of 12193228 in words is "twelve million, one hundred ninety-three thousand, two hundred twenty-eight".