13444005 has 16 divisors (see below), whose sum is σ = 21579840. Its totient is φ = 7147008.

The previous prime is 13443979. The next prime is 13444007. The reversal of 13444005 is 50044431.

13444005 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13444005 - 2¹¹ = 13441957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4026 + ... + 6564.

It is an arithmetic number, because the mean of its divisors is an integer number (1348740).

Almost surely, 2^13444005 is an apocalyptic number.

13444005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13444005 is a deficient number, since it is larger than the sum of its proper divisors (8135835).

13444005 is a wasteful number, since it uses less digits than its factorization.

13444005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 13444005 is about 3666.6067419346. The cubic root of 13444005 is about 237.7804922407.

Adding to 13444005 its reverse (50044431), we get a palindrome (63488436).

The spelling of 13444005 in words is "thirteen million, four hundred forty-four thousand, five".