12226732 has 24 divisors (see below), whose sum is σ = 24555776. Its totient is φ = 5218128.

The previous prime is 12226727. The next prime is 12226771. The reversal of 12226732 is 23762221.

It is a junction number, because it is equal to n+sod(n) for n = 12226697 and 12226706.

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 7 ways as a sum of consecutive naturals, for example, 7153 + ... + 8695.

Almost surely, 2^12226732 is an apocalyptic number.

It is an amenable number.

12226732 is an abundant number, since it is smaller than the sum of its proper divisors (12329044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12226732 is a wasteful number, since it uses less digits than its factorization.

12226732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837 (or 1835 counting only the distinct ones).

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

The square root of 12226732 is about 3496.6744200740. The cubic root of 12226732 is about 230.3757688557.

Adding to 12226732 its reverse (23762221), we get a palindrome (35988953).

The spelling of 12226732 in words is "twelve million, two hundred twenty-six thousand, seven hundred thirty-two".