12226744 has 16 divisors (see below), whose sum is σ = 22972320. Its totient is φ = 6100800.

The previous prime is 12226727. The next prime is 12226771. The reversal of 12226744 is 44762221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3537 + ... + 6079.

It is an arithmetic number, because the mean of its divisors is an integer number (1435770).

Almost surely, 2^12226744 is an apocalyptic number.

It is an amenable number.

12226744 is a deficient number, since it is larger than the sum of its proper divisors (10745576).

12226744 is a wasteful number, since it uses less digits than its factorization.

12226744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150 (or 3146 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 12226744 is about 3496.6761359897. The cubic root of 12226744 is about 230.3758442236.

Adding to 12226744 its reverse (44762221), we get a palindrome (56988965).

The spelling of 12226744 in words is "twelve million, two hundred twenty-six thousand, seven hundred forty-four".