12226743 has 12 divisors (see below), whose sum is σ = 17754880. Its totient is φ = 8107776.

The previous prime is 12226727. The next prime is 12226771. The reversal of 12226743 is 34762221.

It is not a de Polignac number, because 12226743 - 2⁴ = 12226727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12226703) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1783 + ... + 5256.

Almost surely, 2^12226743 is an apocalyptic number.

12226743 is a deficient number, since it is larger than the sum of its proper divisors (5528137).

12226743 is a wasteful number, since it uses less digits than its factorization.

12226743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7238 (or 7235 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 12226743 is about 3496.6759929968. The cubic root of 12226743 is about 230.3758379429.

Adding to 12226743 its reverse (34762221), we get a palindrome (46988964).

The spelling of 12226743 in words is "twelve million, two hundred twenty-six thousand, seven hundred forty-three".