13197900 has 144 divisors (see below), whose sum is σ = 41559840. Its totient is φ = 3225600.

The previous prime is 13197881. The next prime is 13197923. The reversal of 13197900 is 979131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 321880 + ... + 321920.

It is an arithmetic number, because the mean of its divisors is an integer number (288610).

Almost surely, 2^13197900 is an apocalyptic number.

13197900 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 13197900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20779920).

13197900 is an abundant number, since it is smaller than the sum of its proper divisors (28361940).

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

13197900 is a wasteful number, since it uses less digits than its factorization.

13197900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 13197900 is about 3632.8914104333. The cubic root of 13197900 is about 236.3206166103.

The spelling of 13197900 in words is "thirteen million, one hundred ninety-seven thousand, nine hundred".