12205254 has 8 divisors (see below), whose sum is σ = 24410520. Its totient is φ = 4068416.

The previous prime is 12205253. The next prime is 12205273. The reversal of 12205254 is 45250221.

It is a happy number.

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

12205254 is an admirable number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 12205254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12205253) 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 3 ways as a sum of consecutive naturals, for example, 1017099 + ... + 1017110.

It is an arithmetic number, because the mean of its divisors is an integer number (3051315).

Almost surely, 2^12205254 is an apocalyptic number.

12205254 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12205254 is a wasteful number, since it uses less digits than its factorization.

12205254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034214.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 12205254 is about 3493.6018662693. The cubic root of 12205254 is about 230.2407938166.

Adding to 12205254 its reverse (45250221), we get a palindrome (57455475).

The spelling of 12205254 in words is "twelve million, two hundred five thousand, two hundred fifty-four".