15888 has 20 divisors (see below), whose sum is σ = 41168. Its totient is φ = 5280.

The previous prime is 15887. The next prime is 15889. The reversal of 15888 is 88851.

It is an interprime number because it is at equal distance from previous prime (15887) and next prime (15889).

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (15881) 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, 118 + ... + 213.

2¹⁵⁸⁸⁸ is an apocalyptic number.

It is an amenable number.

15888 is an abundant number, since it is smaller than the sum of its proper divisors (25280).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20584).

15888 is a wasteful number, since it uses less digits than its factorization.

15888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 336 counting only the distinct ones).

The product of its digits is 2560, while the sum is 30.

The square root of 15888 is about 126.0476100527. The cubic root of 15888 is about 25.1394869548.

It can be divided in two parts, 1588 and 8, that added together give a triangular number (1596 = T₅₆).

The spelling of 15888 in words is "fifteen thousand, eight hundred eighty-eight".