13444032013 has 16 divisors (see below), whose sum is σ = 14178084480. Its totient is φ = 12722757696.

The previous prime is 13444032011. The next prime is 13444032037. The reversal of 13444032013 is 31023044431.

It is a cyclic number.

It is not a de Polignac number, because 13444032013 - 2¹ = 13444032011 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 (13444032011) 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, 2155183 + ... + 2161411.

It is an arithmetic number, because the mean of its divisors is an integer number (886130280).

Almost surely, 2^13444032013 is an apocalyptic number.

It is an amenable number.

13444032013 is a deficient number, since it is larger than the sum of its proper divisors (734052467).

13444032013 is a wasteful number, since it uses less digits than its factorization.

13444032013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7236.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 13444032013 its reverse (31023044431), we get a palindrome (44467076444).

The spelling of 13444032013 in words is "thirteen billion, four hundred forty-four million, thirty-two thousand, thirteen".