13384881 has 12 divisors (see below), whose sum is σ = 19376500. Its totient is φ = 8903520.

The previous prime is 13384879. The next prime is 13384897. The reversal of 13384881 is 18848331.

13384881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3272481 + 10112400 = 1809^2 + 3180^2 .

It is not a de Polignac number, because 13384881 - 2¹ = 13384879 is a prime.

It is a super-2 number, since 2×13384881² = 358310078768322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13384841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3495 + ... + 6243.

Almost surely, 2^13384881 is an apocalyptic number.

It is an amenable number.

13384881 is a deficient number, since it is larger than the sum of its proper divisors (5991619).

13384881 is a wasteful number, since it uses less digits than its factorization.

13384881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296 (or 3293 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 13384881 is about 3658.5353626827. The cubic root of 13384881 is about 237.4314099253.

The spelling of 13384881 in words is "thirteen million, three hundred eighty-four thousand, eight hundred eighty-one".