13444013 has 8 divisors (see below), whose sum is σ = 14696640. Its totient is φ = 12196480.

The previous prime is 13444007. The next prime is 13444027. The reversal of 13444013 is 31044431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13444013 - 2¹⁴ = 13427629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444043) 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 7 ways as a sum of consecutive naturals, for example, 6173 + ... + 8061.

It is an arithmetic number, because the mean of its divisors is an integer number (1837080).

Almost surely, 2^13444013 is an apocalyptic number.

It is an amenable number.

13444013 is a deficient number, since it is larger than the sum of its proper divisors (1252627).

13444013 is a wasteful number, since it uses less digits than its factorization.

13444013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 13444013 is about 3666.6078328613. The cubic root of 13444013 is about 237.7805394053.

Adding to 13444013 its reverse (31044431), we get a palindrome (44488444).

The spelling of 13444013 in words is "thirteen million, four hundred forty-four thousand, thirteen".