12123304 has 8 divisors (see below), whose sum is σ = 22731210. Its totient is φ = 6061648.

The previous prime is 12123299. The next prime is 12123317. The reversal of 12123304 is 40332121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8398404 + 3724900 = 2898^2 + 1930^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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, 757699 + ... + 757714.

Almost surely, 2^12123304 is an apocalyptic number.

It is an amenable number.

12123304 is a deficient number, since it is larger than the sum of its proper divisors (10607906).

12123304 is a wasteful number, since it uses less digits than its factorization.

12123304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515419 (or 1515415 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 12123304 is about 3481.8535293720. The cubic root of 12123304 is about 229.7243326157.

Adding to 12123304 its reverse (40332121), we get a palindrome (52455425).

The spelling of 12123304 in words is "twelve million, one hundred twenty-three thousand, three hundred four".