13321444012013 has 8 divisors (see below), whose sum is σ = 13604965621632. Its totient is φ = 13037926012096.

The previous prime is 13321444011991. The next prime is 13321444012021. The reversal of 13321444012013 is 31021044412331.

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 13321444012013 - 2³⁰ = 13320370270189 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 (13321444015013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7352006 + ... + 8983032.

It is an arithmetic number, because the mean of its divisors is an integer number (1700620702704).

Almost surely, 2^{13321444012013} is an apocalyptic number.

It is an amenable number.

13321444012013 is a deficient number, since it is larger than the sum of its proper divisors (283521609619).

13321444012013 is a wasteful number, since it uses less digits than its factorization.

13321444012013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804851.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 13321444012013 its reverse (31021044412331), we get a palindrome (44342488424344).

The spelling of 13321444012013 in words is "thirteen trillion, three hundred twenty-one billion, four hundred forty-four million, twelve thousand, thirteen".