12042338 has 24 divisors (see below), whose sum is σ = 22924944. Its totient is φ = 4691400.

The previous prime is 12042319. The next prime is 12042343. The reversal of 12042338 is 83324021.

It is a Curzon 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 11 ways as a sum of consecutive naturals, for example, 4508 + ... + 6663.

It is an arithmetic number, because the mean of its divisors is an integer number (955206).

Almost surely, 2^12042338 is an apocalyptic number.

12042338 is a deficient number, since it is larger than the sum of its proper divisors (10882606).

12042338 is a wasteful number, since it uses less digits than its factorization.

12042338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11198 (or 11191 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 12042338 is about 3470.2071984249. The cubic root of 12042338 is about 229.2117819864.

Adding to 12042338 its reverse (83324021), we get a palindrome (95366359).

The spelling of 12042338 in words is "twelve million, forty-two thousand, three hundred thirty-eight".