15328 has 12 divisors (see below), whose sum is σ = 30240. Its totient is φ = 7648.

The previous prime is 15319. The next prime is 15329. The reversal of 15328 is 82351.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208 + ... + 271.

It is an arithmetic number, because the mean of its divisors is an integer number (2520).

2¹⁵³²⁸ is an apocalyptic number.

It is an amenable number.

15328 is a deficient number, since it is larger than the sum of its proper divisors (14912).

15328 is an equidigital number, since it uses as much as digits as its factorization.

15328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 481 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 15328 is about 123.8063003243. The cubic root of 15328 is about 24.8405856431.

Adding to 15328 its reverse (82351), we get a palindrome (97679).

It can be divided in two parts, 1532 and 8, that added together give a triangular number (1540 = T₅₅).

The spelling of 15328 in words is "fifteen thousand, three hundred twenty-eight".