13404404 has 36 divisors (see below), whose sum is σ = 25824960. Its totient is φ = 6084000.

The previous prime is 13404403. The next prime is 13404407. The reversal of 13404404 is 40440431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13404403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53279 + ... + 53529.

It is an arithmetic number, because the mean of its divisors is an integer number (717360).

Almost surely, 2^13404404 is an apocalyptic number.

It is an amenable number.

13404404 is a deficient number, since it is larger than the sum of its proper divisors (12420556).

13404404 is a wasteful number, since it uses less digits than its factorization.

13404404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 13404404 is about 3661.2025346872. The cubic root of 13404404 is about 237.5467918886.

Adding to 13404404 its reverse (40440431), we get a palindrome (53844835).

The spelling of 13404404 in words is "thirteen million, four hundred four thousand, four hundred four".