12204504 has 144 divisors (see below), whose sum is σ = 38539800. Its totient is φ = 3474432.

The previous prime is 12204503. The next prime is 12204523. The reversal of 12204504 is 40540221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12204503) 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 35 ways as a sum of consecutive naturals, for example, 206827 + ... + 206885.

Almost surely, 2^12204504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12204504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19269900).

12204504 is an abundant number, since it is smaller than the sum of its proper divisors (26335296).

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

12204504 is a wasteful number, since it uses less digits than its factorization.

12204504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 12204504 is about 3493.4945255432. The cubic root of 12204504 is about 230.2360777019.

Adding to 12204504 its reverse (40540221), we get a palindrome (52744725).

The spelling of 12204504 in words is "twelve million, two hundred four thousand, five hundred four".