12206855 has 8 divisors (see below), whose sum is σ = 15044352. Its totient is φ = 9501408.

The previous prime is 12206851. The next prime is 12206861. The reversal of 12206855 is 55860221.

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 12206855 - 2² = 12206851 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12206851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32807 + ... + 33176.

It is an arithmetic number, because the mean of its divisors is an integer number (1880544).

Almost surely, 2^12206855 is an apocalyptic number.

12206855 is a deficient number, since it is larger than the sum of its proper divisors (2837497).

12206855 is an equidigital number, since it uses as much as digits as its factorization.

12206855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66025.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 12206855 is about 3493.8309919056. The cubic root of 12206855 is about 230.2508605030.

The spelling of 12206855 in words is "twelve million, two hundred six thousand, eight hundred fifty-five".