13321285900 has 108 divisors (see below), whose sum is σ = 32170451376. Its totient is φ = 4759516800.

The previous prime is 13321285891. The next prime is 13321285907. The reversal of 13321285900 is 958212331.

It is not an unprimeable number, because it can be changed into a prime (13321285907) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1243969 + ... + 1254631.

Almost surely, 2^13321285900 is an apocalyptic number.

13321285900 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 13321285900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16085225688).

13321285900 is an abundant number, since it is smaller than the sum of its proper divisors (18849165476).

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

13321285900 is a wasteful number, since it uses less digits than its factorization.

13321285900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10752 (or 10714 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 13321285900 in words is "thirteen billion, three hundred twenty-one million, two hundred eighty-five thousand, nine hundred".