13197903500 has 96 divisors (see below), whose sum is σ = 30582988800. Its totient is φ = 4961476800.

The previous prime is 13197903487. The next prime is 13197903503. The reversal of 13197903500 is 530979131.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (13197903503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1201031 + ... + 1211969.

It is an arithmetic number, because the mean of its divisors is an integer number (318572800).

Almost surely, 2^13197903500 is an apocalyptic number.

13197903500 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 13197903500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15291494400).

13197903500 is an abundant number, since it is smaller than the sum of its proper divisors (17385085300).

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

13197903500 is a wasteful number, since it uses less digits than its factorization.

13197903500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11104 (or 11092 counting only the distinct ones).

The product of its (nonzero) digits is 25515, while the sum is 38.

The spelling of 13197903500 in words is "thirteen billion, one hundred ninety-seven million, nine hundred three thousand, five hundred".