12355228 has 6 divisors (see below), whose sum is σ = 21621656. Its totient is φ = 6177612.

The previous prime is 12355223. The next prime is 12355253. The reversal of 12355228 is 82255321.

12355228 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 = 12355196 and 12355205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12355223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1544400 + ... + 1544407.

Almost surely, 2^12355228 is an apocalyptic number.

It is an amenable number.

12355228 is a deficient number, since it is larger than the sum of its proper divisors (9266428).

12355228 is a wasteful number, since it uses less digits than its factorization.

12355228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088811 (or 3088809 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 12355228 is about 3515.0004267425. Note that the first 3 decimals coincide. The cubic root of 12355228 is about 231.1799975112.

The spelling of 12355228 in words is "twelve million, three hundred fifty-five thousand, two hundred twenty-eight".