13404066 has 24 divisors (see below), whose sum is σ = 29031120. Its totient is φ = 4124016.

The previous prime is 13404047. The next prime is 13404067. The reversal of 13404066 is 66040431.

It is not an unprimeable number, because it can be changed into a prime (13404067) 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, 5596 + ... + 7623.

It is an arithmetic number, because the mean of its divisors is an integer number (1209630).

Almost surely, 2^13404066 is an apocalyptic number.

13404066 is an abundant number, since it is smaller than the sum of its proper divisors (15627054).

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

13404066 is a wasteful number, since it uses less digits than its factorization.

13404066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13250 (or 13237 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 13404066 is about 3661.1563746991. The cubic root of 13404066 is about 237.5447952440.

Adding to 13404066 its reverse (66040431), we get a palindrome (79444497).

The spelling of 13404066 in words is "thirteen million, four hundred four thousand, sixty-six".