12104316 has 84 divisors (see below), whose sum is σ = 36357552. Its totient is φ = 3452544.

The previous prime is 12104303. The next prime is 12104317. The reversal of 12104316 is 61340121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (84).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12104317) 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 27 ways as a sum of consecutive naturals, for example, 20116 + ... + 20708.

It is an arithmetic number, because the mean of its divisors is an integer number (432828).

Almost surely, 2^12104316 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 12104316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18178776).

12104316 is an abundant number, since it is smaller than the sum of its proper divisors (24253236).

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

12104316 is an equidigital number, since it uses as much as digits as its factorization.

12104316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 12104316 is about 3479.1257522544. The cubic root of 12104316 is about 229.6043354894.

Adding to 12104316 its reverse (61340121), we get a palindrome (73444437).

The spelling of 12104316 in words is "twelve million, one hundred four thousand, three hundred sixteen".