12228126 has 8 divisors (see below), whose sum is σ = 24456264. Its totient is φ = 4076040.

The previous prime is 12228119. The next prime is 12228137. The reversal of 12228126 is 62182221.

It is a sphenic number, since it is the product of 3 distinct primes.

12228126 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12228096 and 12228105.

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, 1019005 + ... + 1019016.

It is an arithmetic number, because the mean of its divisors is an integer number (3057033).

Almost surely, 2^12228126 is an apocalyptic number.

12228126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12228126 is a wasteful number, since it uses less digits than its factorization.

12228126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038026.

The product of its digits is 768, while the sum is 24.

The square root of 12228126 is about 3496.8737466486. The cubic root of 12228126 is about 230.3845237603.

The spelling of 12228126 in words is "twelve million, two hundred twenty-eight thousand, one hundred twenty-six".