1328875 has 8 divisors (see below), whose sum is σ = 1658592. Its totient is φ = 1063000.

The previous prime is 1328863. The next prime is 1328891. The reversal of 1328875 is 5788231.

It is not a de Polignac number, because 1328875 - 2⁵ = 1328843 is a prime.

It is a Duffinian number.

1328875 is a lucky number.

It is a plaindrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 1328875.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5191 + ... + 5440.

It is an arithmetic number, because the mean of its divisors is an integer number (207324).

2^1328875 is an apocalyptic number.

1328875 is a deficient number, since it is larger than the sum of its proper divisors (329717).

1328875 is an equidigital number, since it uses as much as digits as its factorization.

1328875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10646 (or 10636 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 1328875 is about 1152.7684069231. The cubic root of 1328875 is about 109.9414288736.

The spelling of 1328875 in words is "one million, three hundred twenty-eight thousand, eight hundred seventy-five".