13213523424 has 24 divisors (see below), whose sum is σ = 34685499240. Its totient is φ = 4404507776.

The previous prime is 13213523413. The next prime is 13213523429. The reversal of 13213523424 is 42432531231.

13213523424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 13213523391 and 13213523400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213523429) 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 3 ways as a sum of consecutive naturals, for example, 68820339 + ... + 68820530.

It is an arithmetic number, because the mean of its divisors is an integer number (1445229135).

Almost surely, 2^13213523424 is an apocalyptic number.

It is an amenable number.

13213523424 is an abundant number, since it is smaller than the sum of its proper divisors (21471975816).

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

13213523424 is a wasteful number, since it uses less digits than its factorization.

13213523424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137640882 (or 137640874 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The spelling of 13213523424 in words is "thirteen billion, two hundred thirteen million, five hundred twenty-three thousand, four hundred twenty-four".