12144275 has 48 divisors (see below), whose sum is σ = 18332160. Its totient is φ = 7862400.

The previous prime is 12144263. The next prime is 12144289. The reversal of 12144275 is 57244121.

It is not a de Polignac number, because 12144275 - 2⁸ = 12144019 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 153686 + ... + 153764.

It is an arithmetic number, because the mean of its divisors is an integer number (381920).

Almost surely, 2^12144275 is an apocalyptic number.

12144275 is a deficient number, since it is larger than the sum of its proper divisors (6187885).

12144275 is a wasteful number, since it uses less digits than its factorization.

12144275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 151 counting only the distinct ones).

The product of its digits is 2240, while the sum is 26.

The square root of 12144275 is about 3484.8636989128. The cubic root of 12144275 is about 229.8567160494.

Adding to 12144275 its reverse (57244121), we get a palindrome (69388396).

The spelling of 12144275 in words is "twelve million, one hundred forty-four thousand, two hundred seventy-five".