13388587 has 4 divisors (see below), whose sum is σ = 13395976. Its totient is φ = 13381200.

The previous prime is 13388581. The next prime is 13388629. The reversal of 13388587 is 78588331.

13388587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13388587 - 2¹¹ = 13386539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13388581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1087 + ... + 5287.

It is an arithmetic number, because the mean of its divisors is an integer number (3348994).

Almost surely, 2^13388587 is an apocalyptic number.

13388587 is a deficient number, since it is larger than the sum of its proper divisors (7389).

13388587 is an equidigital number, since it uses as much as digits as its factorization.

13388587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7388.

The product of its digits is 161280, while the sum is 43.

The square root of 13388587 is about 3659.0418144645. The cubic root of 13388587 is about 237.4533212048.

The spelling of 13388587 in words is "thirteen million, three hundred eighty-eight thousand, five hundred eighty-seven".