13013244021 has 16 divisors (see below), whose sum is σ = 17537554944. Its totient is φ = 8582440944.

The previous prime is 13013244011. The next prime is 13013244029. The reversal of 13013244021 is 12044231031.

13013244021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13013244021 - 2²² = 13009049717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013244029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205486 + ... + 261248.

It is an arithmetic number, because the mean of its divisors is an integer number (1096097184).

Almost surely, 2^13013244021 is an apocalyptic number.

It is an amenable number.

13013244021 is a deficient number, since it is larger than the sum of its proper divisors (4524310923).

13013244021 is a wasteful number, since it uses less digits than its factorization.

13013244021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56600.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 13013244021 its reverse (12044231031), we get a palindrome (25057475052).

The spelling of 13013244021 in words is "thirteen billion, thirteen million, two hundred forty-four thousand, twenty-one".