12467228 has 6 divisors (see below), whose sum is σ = 21817656. Its totient is φ = 6233612.

The previous prime is 12467207. The next prime is 12467233. The reversal of 12467228 is 82276421.

It is a junction number, because it is equal to n+sod(n) for n = 12467194 and 12467203.

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 as a sum of consecutive naturals, namely, 1558400 + ... + 1558407.

It is an arithmetic number, because the mean of its divisors is an integer number (3636276).

Almost surely, 2^12467228 is an apocalyptic number.

It is an amenable number.

12467228 is a deficient number, since it is larger than the sum of its proper divisors (9350428).

12467228 is a wasteful number, since it uses less digits than its factorization.

12467228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116811 (or 3116809 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 12467228 is about 3530.8962035155. The cubic root of 12467228 is about 231.8764453089.

The spelling of 12467228 in words is "twelve million, four hundred sixty-seven thousand, two hundred twenty-eight".