12104320 has 32 divisors (see below), whose sum is σ = 28938420. Its totient is φ = 4841472.

The previous prime is 12104317. The next prime is 12104329. The reversal of 12104320 is 2340121.

It can be written as a sum of positive squares in 2 ways, for example, as 11451456 + 652864 = 3384^2 + 808^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 12104320.

It is not an unprimeable number, because it can be changed into a prime (12104329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8817 + ... + 10096.

Almost surely, 2^12104320 is an apocalyptic number.

12104320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12104320 is an abundant number, since it is smaller than the sum of its proper divisors (16834100).

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

12104320 is an equidigital number, since it uses as much as digits as its factorization.

12104320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18932 (or 18920 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12104320 is about 3479.1263271114. The cubic root of 12104320 is about 229.6043607811.

Adding to 12104320 its reverse (2340121), we get a palindrome (14444441).

The spelling of 12104320 in words is "twelve million, one hundred four thousand, three hundred twenty".