13444004 has 12 divisors (see below), whose sum is σ = 26888064. Its totient is φ = 5761704.

The previous prime is 13443979. The next prime is 13444007. The reversal of 13444004 is 40044431.

13444004 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13444007) 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 3 ways as a sum of consecutive naturals, for example, 240044 + ... + 240099.

It is an arithmetic number, because the mean of its divisors is an integer number (2240672).

Almost surely, 2^13444004 is an apocalyptic number.

13444004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13444004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13444004 is a wasteful number, since it uses less digits than its factorization.

13444004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480154 (or 480152 counting only the distinct ones).

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

The square root of 13444004 is about 3666.6066055687. The cubic root of 13444004 is about 237.7804863451.

Adding to 13444004 its reverse (40044431), we get a palindrome (53488435).

The spelling of 13444004 in words is "thirteen million, four hundred forty-four thousand, four".