12225504 has 48 divisors (see below), whose sum is σ = 32272128. Its totient is φ = 4052352.

The previous prime is 12225491. The next prime is 12225527. The reversal of 12225504 is 40552221.

It is a happy number.

12225504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33129 + ... + 33495.

It is an arithmetic number, because the mean of its divisors is an integer number (672336).

Almost surely, 2^12225504 is an apocalyptic number.

It is an amenable number.

12225504 is an abundant number, since it is smaller than the sum of its proper divisors (20046624).

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

12225504 is a wasteful number, since it uses less digits than its factorization.

12225504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 719 counting only the distinct ones).

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

The square root of 12225504 is about 3496.4988202486. The cubic root of 12225504 is about 230.3680559494.

Adding to 12225504 its reverse (40552221), we get a palindrome (52777725).

The spelling of 12225504 in words is "twelve million, two hundred twenty-five thousand, five hundred four".