1324885 has 4 divisors (see below), whose sum is σ = 1589868. Its totient is φ = 1059904.

The previous prime is 1324871. The next prime is 1324907. The reversal of 1324885 is 5884231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5884231 = 199 ⋅29569.

It can be written as a sum of positive squares in 2 ways, for example, as 239121 + 1085764 = 489^2 + 1042^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1324885 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 132484 + ... + 132493.

It is an arithmetic number, because the mean of its divisors is an integer number (397467).

2^1324885 is an apocalyptic number.

It is an amenable number.

1324885 is a deficient number, since it is larger than the sum of its proper divisors (264983).

1324885 is an equidigital number, since it uses as much as digits as its factorization.

1324885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264982.

The product of its digits is 7680, while the sum is 31.

The square root of 1324885 is about 1151.0364894303. The cubic root of 1324885 is about 109.8312840587.

It can be divided in two parts, 1324 and 885, that added together give a square (2209 = 47²).

The spelling of 1324885 in words is "one million, three hundred twenty-four thousand, eight hundred eighty-five".