12203904 has 64 divisors (see below), whose sum is σ = 33011280. Its totient is φ = 3993600.

The previous prime is 12203903. The next prime is 12203911. The reversal of 12203904 is 40930221.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23164 + ... + 23684.

Almost surely, 2^12203904 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 12203904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16505640).

12203904 is an abundant number, since it is smaller than the sum of its proper divisors (20807376).

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

12203904 is an equidigital number, since it uses as much as digits as its factorization.

12203904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 12203904 is about 3493.4086505876. The cubic root of 12203904 is about 230.2323046711.

The spelling of 12203904 in words is "twelve million, two hundred three thousand, nine hundred four".