15328873 has 8 divisors (see below), whose sum is σ = 17806400. Its totient is φ = 12923280.

The previous prime is 15328867. The next prime is 15328889. The reversal of 15328873 is 37882351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15328873 - 2²¹ = 13231721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15328853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17523 + ... + 18376.

It is an arithmetic number, because the mean of its divisors is an integer number (2225800).

Almost surely, 2^15328873 is an apocalyptic number.

It is an amenable number.

15328873 is a deficient number, since it is larger than the sum of its proper divisors (2477527).

15328873 is an equidigital number, since it uses as much as digits as its factorization.

15328873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35967.

The product of its digits is 40320, while the sum is 37.

The square root of 15328873 is about 3915.2104668843. The cubic root of 15328873 is about 248.4105722934.

The spelling of 15328873 in words is "fifteen million, three hundred twenty-eight thousand, eight hundred seventy-three".