13216985452 has 36 divisors (see below), whose sum is σ = 25717733496. Its totient is φ = 5894312320.

The previous prime is 13216985417. The next prime is 13216985491. The reversal of 13216985452 is 25458961231.

13216985452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 70128 + ... + 177064.

It is an arithmetic number, because the mean of its divisors is an integer number (714381486).

Almost surely, 2^13216985452 is an apocalyptic number.

It is an amenable number.

13216985452 is a deficient number, since it is larger than the sum of its proper divisors (12500748044).

13216985452 is a wasteful number, since it uses less digits than its factorization.

13216985452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107058 (or 107003 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The spelling of 13216985452 in words is "thirteen billion, two hundred sixteen million, nine hundred eighty-five thousand, four hundred fifty-two".