12243412 has 6 divisors (see below), whose sum is σ = 21425978. Its totient is φ = 6121704.

The previous prime is 12243403. The next prime is 12243431. The reversal of 12243412 is 21434221.

It can be written as a sum of positive squares in only one way, i.e., 8503056 + 3740356 = 2916^2 + 1934^2 .

It is a super-2 number, since 2×12243412² = 299802274803488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12243412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1530423 + ... + 1530430.

Almost surely, 2^12243412 is an apocalyptic number.

It is an amenable number.

12243412 is a deficient number, since it is larger than the sum of its proper divisors (9182566).

12243412 is a wasteful number, since it uses less digits than its factorization.

12243412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060857 (or 3060855 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 12243412 is about 3499.0587305731. The cubic root of 12243412 is about 230.4804826290.

Adding to 12243412 its reverse (21434221), we get a palindrome (33677633).

It can be divided in two parts, 122 and 43412, that added together give a palindrome (43534).

The spelling of 12243412 in words is "twelve million, two hundred forty-three thousand, four hundred twelve".