12339228 has 24 divisors (see below), whose sum is σ = 31409280. Its totient is φ = 3739120.

The previous prime is 12339211. The next prime is 12339253. The reversal of 12339228 is 82293321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12339195 and 12339204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46608 + ... + 46871.

It is an arithmetic number, because the mean of its divisors is an integer number (1308720).

Almost surely, 2^12339228 is an apocalyptic number.

It is an amenable number.

12339228 is an abundant number, since it is smaller than the sum of its proper divisors (19070052).

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

12339228 is a wasteful number, since it uses less digits than its factorization.

12339228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93497 (or 93495 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 12339228 is about 3512.7237295296. The cubic root of 12339228 is about 231.0801618306.

The spelling of 12339228 in words is "twelve million, three hundred thirty-nine thousand, two hundred twenty-eight".