12446228 has 12 divisors (see below), whose sum is σ = 21903840. Its totient is φ = 6187992.

The previous prime is 12446219. The next prime is 12446237. The reversal of 12446228 is 82264421.

It is an interprime number because it is at equal distance from previous prime (12446219) and next prime (12446237).

It is a super-3 number, since 3×12446228³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12446228.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7976 + ... + 9407.

It is an arithmetic number, because the mean of its divisors is an integer number (1825320).

Almost surely, 2^12446228 is an apocalyptic number.

It is an amenable number.

12446228 is a deficient number, since it is larger than the sum of its proper divisors (9457612).

12446228 is a wasteful number, since it uses less digits than its factorization.

12446228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17566 (or 17564 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

The square root of 12446228 is about 3527.9212009341. The cubic root of 12446228 is about 231.7461799992.

The spelling of 12446228 in words is "twelve million, four hundred forty-six thousand, two hundred twenty-eight".