12241855 has 16 divisors (see below), whose sum is σ = 15168384. Its totient is φ = 9479680.

The previous prime is 12241841. The next prime is 12241877. The reversal of 12241855 is 55814221.

It is not a de Polignac number, because 12241855 - 2²³ = 3853247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26325 + ... + 26785.

It is an arithmetic number, because the mean of its divisors is an integer number (948024).

Almost surely, 2^12241855 is an apocalyptic number.

12241855 is a deficient number, since it is larger than the sum of its proper divisors (2926529).

12241855 is a wasteful number, since it uses less digits than its factorization.

12241855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626.

The product of its digits is 3200, while the sum is 28.

The square root of 12241855 is about 3498.8362350930. The cubic root of 12241855 is about 230.4707121139.

The spelling of 12241855 in words is "twelve million, two hundred forty-one thousand, eight hundred fifty-five".