12855955 has 8 divisors (see below), whose sum is σ = 17631072. Its totient is φ = 8815488.

The previous prime is 12855937. The next prime is 12855967. The reversal of 12855955 is 55955821.

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

It is a cyclic number.

It is not a de Polignac number, because 12855955 - 2¹⁹ = 12331667 is a prime.

It is a Duffinian 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, 183622 + ... + 183691.

It is an arithmetic number, because the mean of its divisors is an integer number (2203884).

Almost surely, 2^12855955 is an apocalyptic number.

12855955 is a deficient number, since it is larger than the sum of its proper divisors (4775117).

12855955 is an equidigital number, since it uses as much as digits as its factorization.

12855955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367325.

The product of its digits is 90000, while the sum is 40.

The square root of 12855955 is about 3585.5201854124. The cubic root of 12855955 is about 234.2617848460.

The spelling of 12855955 in words is "twelve million, eight hundred fifty-five thousand, nine hundred fifty-five".