12423226 has 16 divisors (see below), whose sum is σ = 20770560. Its totient is φ = 5538240.

The previous prime is 12423211. The next prime is 12423233. The reversal of 12423226 is 62232421.

12423226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12423197 and 12423206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8970 + ... + 10261.

It is an arithmetic number, because the mean of its divisors is an integer number (1298160).

Almost surely, 2^12423226 is an apocalyptic number.

12423226 is a deficient number, since it is larger than the sum of its proper divisors (8347334).

12423226 is a wasteful number, since it uses less digits than its factorization.

12423226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19269.

The product of its digits is 1152, while the sum is 22.

The square root of 12423226 is about 3524.6596998859. The cubic root of 12423226 is about 231.6033278069.

Adding to 12423226 its reverse (62232421), we get a palindrome (74655647).

The spelling of 12423226 in words is "twelve million, four hundred twenty-three thousand, two hundred twenty-six".