13404204 has 60 divisors (see below), whose sum is σ = 38236968. Its totient is φ = 4060800.

The previous prime is 13404169. The next prime is 13404233. The reversal of 13404204 is 40240431.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1684 + ... + 5444.

Almost surely, 2^13404204 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 13404204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19118484).

13404204 is an abundant number, since it is smaller than the sum of its proper divisors (24832764).

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

13404204 is a wasteful number, since it uses less digits than its factorization.

13404204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3788 (or 3777 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 13404204 is about 3661.1752211551. The cubic root of 13404204 is about 237.5456104461.

Adding to 13404204 its reverse (40240431), we get a palindrome (53644635).

The spelling of 13404204 in words is "thirteen million, four hundred four thousand, two hundred four".