12225736 has 16 divisors (see below), whose sum is σ = 23063040. Its totient is φ = 6075600.

The previous prime is 12225727. The next prime is 12225751. The reversal of 12225736 is 63752221.

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 3 ways as a sum of consecutive naturals, for example, 3240 + ... + 5911.

It is an arithmetic number, because the mean of its divisors is an integer number (1441440).

Almost surely, 2^12225736 is an apocalyptic number.

It is an amenable number.

12225736 is a deficient number, since it is larger than the sum of its proper divisors (10837304).

12225736 is a wasteful number, since it uses less digits than its factorization.

12225736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9324 (or 9320 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 12225736 is about 3496.5319961356. The cubic root of 12225736 is about 230.3695131504.

Adding to 12225736 its reverse (63752221), we get a palindrome (75977957).

The spelling of 12225736 in words is "twelve million, two hundred twenty-five thousand, seven hundred thirty-six".