13583387328 has 112 divisors (see below), whose sum is σ = 43489741824. Its totient is φ = 3652669440.

The previous prime is 13583387309. The next prime is 13583387333. The reversal of 13583387328 is 82378338531.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×13583387328² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274408 + ... + 320103.

Almost surely, 2^13583387328 is an apocalyptic number.

It is an amenable number.

13583387328 is an abundant number, since it is smaller than the sum of its proper divisors (29906354496).

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

13583387328 is a wasteful number, since it uses less digits than its factorization.

13583387328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594550 (or 594540 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The spelling of 13583387328 in words is "thirteen billion, five hundred eighty-three million, three hundred eighty-seven thousand, three hundred twenty-eight".