12243446 has 8 divisors (see below), whose sum is σ = 18639480. Its totient is φ = 6030288.

The previous prime is 12243443. The next prime is 12243457. The reversal of 12243446 is 64434221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45551 + ... + 45818.

It is an arithmetic number, because the mean of its divisors is an integer number (2329935).

Almost surely, 2^12243446 is an apocalyptic number.

12243446 is a deficient number, since it is larger than the sum of its proper divisors (6396034).

12243446 is an equidigital number, since it uses as much as digits as its factorization.

12243446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91438.

The product of its digits is 4608, while the sum is 26.

The square root of 12243446 is about 3499.0635890192. The cubic root of 12243446 is about 230.4806959772.

Adding to 12243446 its reverse (64434221), we get a palindrome (76677667).

The spelling of 12243446 in words is "twelve million, two hundred forty-three thousand, four hundred forty-six".