12238042 has 4 divisors (see below), whose sum is σ = 18357066. Its totient is φ = 6119020.

The previous prime is 12238027. The next prime is 12238043. The reversal of 12238042 is 24083221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7349521 + 4888521 = 2711^2 + 2211^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12238043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3059509 + ... + 3059512.

Almost surely, 2^12238042 is an apocalyptic number.

12238042 is a deficient number, since it is larger than the sum of its proper divisors (6119024).

12238042 is an equidigital number, since it uses as much as digits as its factorization.

12238042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6119023.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 12238042 is about 3498.2912971907. The cubic root of 12238042 is about 230.4467812069.

The spelling of 12238042 in words is "twelve million, two hundred thirty-eight thousand, forty-two".