12405104 has 40 divisors (see below), whose sum is σ = 25913520. Its totient is φ = 5731328.

The previous prime is 12405091. The next prime is 12405137. The reversal of 12405104 is 40150421.

12405104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 15662 + ... + 16434.

It is an arithmetic number, because the mean of its divisors is an integer number (647838).

Almost surely, 2^12405104 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 12405104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12956760).

12405104 is an abundant number, since it is smaller than the sum of its proper divisors (13508416).

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

12405104 is a wasteful number, since it uses less digits than its factorization.

12405104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857 (or 851 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 12405104 is about 3522.0880170717. The cubic root of 12405104 is about 231.4906582537.

Adding to 12405104 its reverse (40150421), we get a palindrome (52555525).

The spelling of 12405104 in words is "twelve million, four hundred five thousand, one hundred four".