12226576 has 40 divisors (see below), whose sum is σ = 25633280. Its totient is φ = 5629824.

The previous prime is 12226573. The next prime is 12226583. The reversal of 12226576 is 67562221.

It is not an unprimeable number, because it can be changed into a prime (12226573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10705 + ... + 11791.

It is an arithmetic number, because the mean of its divisors is an integer number (640832).

Almost surely, 2^12226576 is an apocalyptic number.

12226576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12226576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12816640).

12226576 is an abundant number, since it is smaller than the sum of its proper divisors (13406704).

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

12226576 is a wasteful number, since it uses less digits than its factorization.

12226576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151 (or 1145 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 12226576 is about 3496.6521130933. The cubic root of 12226576 is about 230.3747890689.

Adding to 12226576 its reverse (67562221), we get a palindrome (79788797).

The spelling of 12226576 in words is "twelve million, two hundred twenty-six thousand, five hundred seventy-six".