12226723 has 6 divisors (see below), whose sum is σ = 12988556. Its totient is φ = 11507232.

The previous prime is 12226703. The next prime is 12226727. The reversal of 12226723 is 32762221.

12226723 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12226723 - 2⁵ = 12226691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12226727) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 20865 + ... + 21442.

Almost surely, 2^12226723 is an apocalyptic number.

12226723 is a deficient number, since it is larger than the sum of its proper divisors (761833).

12226723 is an equidigital number, since it uses as much as digits as its factorization.

12226723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42341 (or 42324 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 12226723 is about 3496.6731331367. The cubic root of 12226723 is about 230.3757123298.

Adding to 12226723 its reverse (32762221), we get a palindrome (44988944).

The spelling of 12226723 in words is "twelve million, two hundred twenty-six thousand, seven hundred twenty-three".