12044138 has 8 divisors (see below), whose sum is σ = 19017120. Its totient is φ = 5705100.

The previous prime is 12044069. The next prime is 12044141. The reversal of 12044138 is 83144021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12044138² = 290122520326088, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158438 + ... + 158513.

It is an arithmetic number, because the mean of its divisors is an integer number (2377140).

Almost surely, 2^12044138 is an apocalyptic number.

12044138 is a deficient number, since it is larger than the sum of its proper divisors (6972982).

12044138 is a wasteful number, since it uses less digits than its factorization.

12044138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316972.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 12044138 is about 3470.4665392422. The cubic root of 12044138 is about 229.2232017138.

Adding to 12044138 its reverse (83144021), we get a palindrome (95188159).

The spelling of 12044138 in words is "twelve million, forty-four thousand, one hundred thirty-eight".