14005404 has 72 divisors (see below), whose sum is σ = 40840800. Its totient is φ = 3964032.

The previous prime is 14005403. The next prime is 14005423. The reversal of 14005404 is 40450041.

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 (14005403) 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 23 ways as a sum of consecutive naturals, for example, 37362 + ... + 37734.

Almost surely, 2^14005404 is an apocalyptic number.

14005404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14005404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20420400).

14005404 is an abundant number, since it is smaller than the sum of its proper divisors (26835396).

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

14005404 is a wasteful number, since it uses less digits than its factorization.

14005404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 14005404 is about 3742.3794569765. The cubic root of 14005404 is about 241.0452329255.

Adding to 14005404 its reverse (40450041), we get a palindrome (54455445).

The spelling of 14005404 in words is "fourteen million, five thousand, four hundred four".