12258211 has 32 divisors (see below), whose sum is σ = 15759360. Its totient is φ = 9300096.

The previous prime is 12258209. The next prime is 12258217. The reversal of 12258211 is 11285221.

12258211 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12258211 - 2¹ = 12258209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12258217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231261 + ... + 231313.

It is an arithmetic number, because the mean of its divisors is an integer number (492480).

Almost surely, 2^12258211 is an apocalyptic number.

12258211 is a deficient number, since it is larger than the sum of its proper divisors (3501149).

12258211 is a wasteful number, since it uses less digits than its factorization.

12258211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163.

The product of its digits is 320, while the sum is 22.

The square root of 12258211 is about 3501.1728035046. The cubic root of 12258211 is about 230.5733082592.

The spelling of 12258211 in words is "twelve million, two hundred fifty-eight thousand, two hundred eleven".