12144851 has 16 divisors (see below), whose sum is σ = 13608000. Its totient is φ = 10779648.

The previous prime is 12144829. The next prime is 12144859. The reversal of 12144851 is 15844121.

12144851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12144851 - 2⁶ = 12144787 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 12144851.

It is not an unprimeable number, because it can be changed into a prime (12144859) 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, 34625 + ... + 34973.

It is an arithmetic number, because the mean of its divisors is an integer number (850500).

Almost surely, 2^12144851 is an apocalyptic number.

12144851 is a deficient number, since it is larger than the sum of its proper divisors (1463149).

12144851 is a wasteful number, since it uses less digits than its factorization.

12144851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478.

The product of its digits is 1280, while the sum is 26.

The square root of 12144851 is about 3484.9463410503. The cubic root of 12144851 is about 229.8603500079.

Adding to 12144851 its reverse (15844121), we get a palindrome (27988972).

The spelling of 12144851 in words is "twelve million, one hundred forty-four thousand, eight hundred fifty-one".