12144335 has 16 divisors (see below), whose sum is σ = 16713216. Its totient is φ = 8298528.

The previous prime is 12144331. The next prime is 12144347. The reversal of 12144335 is 53344121.

It is not a de Polignac number, because 12144335 - 2² = 12144331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12144335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15974 + ... + 16716.

It is an arithmetic number, because the mean of its divisors is an integer number (1044576).

Almost surely, 2^12144335 is an apocalyptic number.

12144335 is a deficient number, since it is larger than the sum of its proper divisors (4568881).

12144335 is an equidigital number, since it uses as much as digits as its factorization.

12144335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222.

The product of its digits is 1440, while the sum is 23.

The square root of 12144335 is about 3484.8723075602. The cubic root of 12144335 is about 229.8570945921.

Adding to 12144335 its reverse (53344121), we get a palindrome (65488456).

The spelling of 12144335 in words is "twelve million, one hundred forty-four thousand, three hundred thirty-five".