12327855 has 8 divisors (see below), whose sum is σ = 19724592. Its totient is φ = 6574848.

The previous prime is 12327841. The next prime is 12327857. The reversal of 12327855 is 55872321.

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

It is not a de Polignac number, because 12327855 - 2⁵ = 12327823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12327857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410914 + ... + 410943.

It is an arithmetic number, because the mean of its divisors is an integer number (2465574).

Almost surely, 2^12327855 is an apocalyptic number.

12327855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12327855 is a deficient number, since it is larger than the sum of its proper divisors (7396737).

12327855 is an equidigital number, since it uses as much as digits as its factorization.

12327855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821865.

The product of its digits is 16800, while the sum is 33.

The square root of 12327855 is about 3511.1045270684. The cubic root of 12327855 is about 231.0091448939.

The spelling of 12327855 in words is "twelve million, three hundred twenty-seven thousand, eight hundred fifty-five".