12123344 has 10 divisors (see below), whose sum is σ = 23489010. Its totient is φ = 6061664.

The previous prime is 12123341. The next prime is 12123359. The reversal of 12123344 is 44332121.

It can be written as a sum of positive squares in only one way, i.e., 10163344 + 1960000 = 3188^2 + 1400^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123341) by changing a digit.

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, 378839 + ... + 378870.

It is an arithmetic number, because the mean of its divisors is an integer number (2348901).

Almost surely, 2^12123344 is an apocalyptic number.

It is an amenable number.

12123344 is a deficient number, since it is larger than the sum of its proper divisors (11365666).

12123344 is an equidigital number, since it uses as much as digits as its factorization.

12123344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757717 (or 757711 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 12123344 is about 3481.8592734342. The cubic root of 12123344 is about 229.7245852686.

Adding to 12123344 its reverse (44332121), we get a palindrome (56455465).

The spelling of 12123344 in words is "twelve million, one hundred twenty-three thousand, three hundred forty-four".