12225412 has 6 divisors (see below), whose sum is σ = 21394478. Its totient is φ = 6112704.

The previous prime is 12225407. The next prime is 12225427. The reversal of 12225412 is 21452221.

It can be written as a sum of positive squares in only one way, i.e., 7054336 + 5171076 = 2656^2 + 2274^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12225412.

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 as a sum of consecutive naturals, namely, 1528173 + ... + 1528180.

Almost surely, 2^12225412 is an apocalyptic number.

It is an amenable number.

12225412 is a deficient number, since it is larger than the sum of its proper divisors (9169066).

12225412 is a wasteful number, since it uses less digits than its factorization.

12225412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056357 (or 3056355 counting only the distinct ones).

The product of its digits is 320, while the sum is 19.

The square root of 12225412 is about 3496.4856642063. The cubic root of 12225412 is about 230.3674780887.

Adding to 12225412 its reverse (21452221), we get a palindrome (33677633).

The spelling of 12225412 in words is "twelve million, two hundred twenty-five thousand, four hundred twelve".