13120344443 has 8 divisors (see below), whose sum is σ = 13154431056. Its totient is φ = 13086295200.

The previous prime is 13120344331. The next prime is 13120344449. The reversal of 13120344443 is 34444302131.

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 13120344443 - 2⁸ = 13120344187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13120344449) 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, 777728 + ... + 794418.

It is an arithmetic number, because the mean of its divisors is an integer number (1644303882).

Almost surely, 2^13120344443 is an apocalyptic number.

13120344443 is a deficient number, since it is larger than the sum of its proper divisors (34086613).

13120344443 is a wasteful number, since it uses less digits than its factorization.

13120344443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18685.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 13120344443 its reverse (34444302131), we get a palindrome (47564646574).

The spelling of 13120344443 in words is "thirteen billion, one hundred twenty million, three hundred forty-four thousand, four hundred forty-three".