13328601280 has 112 divisors (see below), whose sum is σ = 32967558144. Its totient is φ = 5127183360.

The previous prime is 13328601263. The next prime is 13328601287. The reversal of 13328601280 is 8210682331.

It is a happy number.

It is a super-2 number, since 2×13328601280² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13328601287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1612839 + ... + 1621081.

Almost surely, 2^13328601280 is an apocalyptic number.

13328601280 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 13328601280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16483779072).

13328601280 is an abundant number, since it is smaller than the sum of its proper divisors (19638956864).

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

13328601280 is a wasteful number, since it uses less digits than its factorization.

13328601280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8454 (or 8444 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 13328601280 in words is "thirteen billion, three hundred twenty-eight million, six hundred one thousand, two hundred eighty".