12402104 has 64 divisors (see below), whose sum is σ = 28153440. Its totient is φ = 5045760.

The previous prime is 12402097. The next prime is 12402113. The reversal of 12402104 is 40120421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42182 + ... + 42474.

Almost surely, 2^12402104 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 12402104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14076720).

12402104 is an abundant number, since it is smaller than the sum of its proper divisors (15751336).

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

12402104 is a wasteful number, since it uses less digits than its factorization.

12402104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 12402104 is about 3521.6621075850. The cubic root of 12402104 is about 231.4719958288.

Adding to 12402104 its reverse (40120421), we get a palindrome (52522525).

The spelling of 12402104 in words is "twelve million, four hundred two thousand, one hundred four".