12005255 has 8 divisors (see below), whose sum is σ = 14502624. Its totient is φ = 9540000.

The previous prime is 12005243. The next prime is 12005269. The reversal of 12005255 is 55250021.

12005255 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12005255 - 2⁸ = 12004999 is a prime.

It is a super-2 number, since 2×12005255² = 288252295230050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7196 + ... + 8705.

It is an arithmetic number, because the mean of its divisors is an integer number (1812828).

Almost surely, 2^12005255 is an apocalyptic number.

12005255 is a deficient number, since it is larger than the sum of its proper divisors (2497369).

12005255 is a wasteful number, since it uses less digits than its factorization.

12005255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16057.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 12005255 is about 3464.8600260328. The cubic root of 12005255 is about 228.9762629299.

Adding to 12005255 its reverse (55250021), we get a palindrome (67255276).

The spelling of 12005255 in words is "twelve million, five thousand, two hundred fifty-five".