12142304 has 24 divisors (see below), whose sum is σ = 23982840. Its totient is φ = 6051456.

The previous prime is 12142289. The next prime is 12142331. The reversal of 12142304 is 40324121.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 19307 + ... + 19925.

It is an arithmetic number, because the mean of its divisors is an integer number (999285).

Almost surely, 2^12142304 is an apocalyptic number.

It is an amenable number.

12142304 is a deficient number, since it is larger than the sum of its proper divisors (11840536).

12142304 is an equidigital number, since it uses as much as digits as its factorization.

12142304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 12142304 is about 3484.5808930200. The cubic root of 12142304 is about 229.8442802282.

Adding to 12142304 its reverse (40324121), we get a palindrome (52466425).

The spelling of 12142304 in words is "twelve million, one hundred forty-two thousand, three hundred four".