13276019328 has 384 divisors, whose sum is σ = 43150732800. Its totient is φ = 3588710400.

The previous prime is 13276019327. The next prime is 13276019333. The reversal of 13276019328 is 82391067231.

It is a tau number, because it is divible by the number of its divisors (384).

It is a self number, because there is not a number n which added to its sum of digits gives 13276019328.

It is not an unprimeable number, because it can be changed into a prime (13276019327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18724638 + ... + 18725346.

It is an arithmetic number, because the mean of its divisors is an integer number (112371700).

Almost surely, 2^13276019328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13276019328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21575366400).

13276019328 is an abundant number, since it is smaller than the sum of its proper divisors (29874713472).

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

13276019328 is a wasteful number, since it uses less digits than its factorization.

13276019328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792 (or 769 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 13276019328 in words is "thirteen billion, two hundred seventy-six million, nineteen thousand, three hundred twenty-eight".