12255255 has 24 divisors (see below), whose sum is σ = 21977280. Its totient is φ = 6310080.

The previous prime is 12255227. The next prime is 12255259. The reversal of 12255255 is 55255221.

It is not a de Polignac number, because 12255255 - 2⁹ = 12254743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12255259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3391 + ... + 6000.

It is an arithmetic number, because the mean of its divisors is an integer number (915720).

Almost surely, 2^12255255 is an apocalyptic number.

12255255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12255255 is a deficient number, since it is larger than the sum of its proper divisors (9722025).

12255255 is a wasteful number, since it uses less digits than its factorization.

12255255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9431 (or 9428 counting only the distinct ones).

The product of its digits is 5000, while the sum is 27.

The square root of 12255255 is about 3500.7506337927. The cubic root of 12255255 is about 230.5547729419.

The spelling of 12255255 in words is "twelve million, two hundred fifty-five thousand, two hundred fifty-five".