12140255 has 16 divisors (see below), whose sum is σ = 15102720. Its totient is φ = 9361152.

The previous prime is 12140243. The next prime is 12140257. The reversal of 12140255 is 55204121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12140255 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25106 + ... + 25584.

It is an arithmetic number, because the mean of its divisors is an integer number (943920).

Almost surely, 2^12140255 is an apocalyptic number.

12140255 is a deficient number, since it is larger than the sum of its proper divisors (2962465).

12140255 is a wasteful number, since it uses less digits than its factorization.

12140255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 12140255 is about 3484.2868710828. The cubic root of 12140255 is about 229.8313508472.

Adding to 12140255 its reverse (55204121), we get a palindrome (67344376).

The spelling of 12140255 in words is "twelve million, one hundred forty thousand, two hundred fifty-five".