13321412544 has 112 divisors (see below), whose sum is σ = 40474270080. Its totient is φ = 3824317440.

The previous prime is 13321412543. The next prime is 13321412557. The reversal of 13321412544 is 44521412331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321412543) 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, 125859 + ... + 206114.

Almost surely, 2^13321412544 is an apocalyptic number.

It is an amenable number.

13321412544 is an abundant number, since it is smaller than the sum of its proper divisors (27152857536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13321412544 is a wasteful number, since it uses less digits than its factorization.

13321412544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332018 (or 332008 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

Adding to 13321412544 its reverse (44521412331), we get a palindrome (57842824875).

The spelling of 13321412544 in words is "thirteen billion, three hundred twenty-one million, four hundred twelve thousand, five hundred forty-four".