13197885233920 has 144 divisors (see below), whose sum is σ = 32176670238720. Its totient is φ = 5185584230400.

The previous prime is 13197885233879. The next prime is 13197885233941. The reversal of 13197885233920 is 2933258879131.

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 15 ways as a sum of consecutive naturals, for example, 24360541 + ... + 24896419.

It is an arithmetic number, because the mean of its divisors is an integer number (223449098880).

Almost surely, 2^{13197885233920} is an apocalyptic number.

13197885233920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13197885233920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16088335119360).

13197885233920 is an abundant number, since it is smaller than the sum of its proper divisors (18978785004800).

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

13197885233920 is an equidigital number, since it uses as much as digits as its factorization.

13197885233920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536242 (or 536228 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 61.

The spelling of 13197885233920 in words is "thirteen trillion, one hundred ninety-seven billion, eight hundred eighty-five million, two hundred thirty-three thousand, nine hundred twenty".