13396128080 has 80 divisors (see below), whose sum is σ = 31449772800. Its totient is φ = 5306419200.

The previous prime is 13396128059. The next prime is 13396128089. The reversal of 13396128080 is 8082169331.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13396128089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4335176 + ... + 4338264.

It is an arithmetic number, because the mean of its divisors is an integer number (393122160).

Almost surely, 2^13396128080 is an apocalyptic number.

13396128080 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 13396128080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15724886400).

13396128080 is an abundant number, since it is smaller than the sum of its proper divisors (18053644720).

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

13396128080 is a wasteful number, since it uses less digits than its factorization.

13396128080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3612 (or 3606 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 13396128080 in words is "thirteen billion, three hundred ninety-six million, one hundred twenty-eight thousand, eighty".