12243236 has 6 divisors (see below), whose sum is σ = 21425670. Its totient is φ = 6121616.

The previous prime is 12243229. The next prime is 12243241. The reversal of 12243236 is 63234221.

It can be written as a sum of positive squares in only one way, i.e., 11182336 + 1060900 = 3344^2 + 1030^2 .

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, 1530401 + ... + 1530408.

It is an arithmetic number, because the mean of its divisors is an integer number (3570945).

Almost surely, 2^12243236 is an apocalyptic number.

It is an amenable number.

12243236 is a deficient number, since it is larger than the sum of its proper divisors (9182434).

12243236 is a wasteful number, since it uses less digits than its factorization.

12243236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060813 (or 3060811 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 12243236 is about 3499.0335808620. The cubic root of 12243236 is about 230.4793782321.

Adding to 12243236 its reverse (63234221), we get a palindrome (75477457).

The spelling of 12243236 in words is "twelve million, two hundred forty-three thousand, two hundred thirty-six".