12144844 has 12 divisors (see below), whose sum is σ = 21654864. Its totient is φ = 5957744.

The previous prime is 12144829. The next prime is 12144859. The reversal of 12144844 is 44844121.

It is an interprime number because it is at equal distance from previous prime (12144829) and next prime (12144859).

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, 28432 + ... + 28855.

It is an arithmetic number, because the mean of its divisors is an integer number (1804572).

Almost surely, 2^12144844 is an apocalyptic number.

It is an amenable number.

12144844 is a deficient number, since it is larger than the sum of its proper divisors (9510020).

12144844 is a wasteful number, since it uses less digits than its factorization.

12144844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57344 (or 57342 counting only the distinct ones).

The product of its digits is 4096, while the sum is 28.

The square root of 12144844 is about 3484.9453367305. The cubic root of 12144844 is about 229.8603058459.

Adding to 12144844 its reverse (44844121), we get a palindrome (56988965).

The spelling of 12144844 in words is "twelve million, one hundred forty-four thousand, eight hundred forty-four".