1328847 has 12 divisors (see below), whose sum is σ = 1919304. Its totient is φ = 817440.

The previous prime is 1328843. The next prime is 1328861. The reversal of 1328847 is 7488231.

It is not a de Polignac number, because 1328847 - 2² = 1328843 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328843) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 804 + ... + 1817.

It is an arithmetic number, because the mean of its divisors is an integer number (159942).

2^1328847 is an apocalyptic number.

1328847 is a deficient number, since it is larger than the sum of its proper divisors (590457).

1328847 is a wasteful number, since it uses less digits than its factorization.

1328847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650 (or 2637 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 1328847 is about 1152.7562621821. The cubic root of 1328847 is about 109.9406566962.

The spelling of 1328847 in words is "one million, three hundred twenty-eight thousand, eight hundred forty-seven".