1328064 has 28 divisors (see below), whose sum is σ = 3514344. Its totient is φ = 442624.

The previous prime is 1328051. The next prime is 1328077. The reversal of 1328064 is 4608231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1328051) and next prime (1328077).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3267 + ... + 3650.

2^1328064 is an apocalyptic number.

It is an amenable number.

1328064 is an abundant number, since it is smaller than the sum of its proper divisors (2186280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1328064 is an equidigital number, since it uses as much as digits as its factorization.

1328064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6932 (or 6922 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1328064 is about 1152.4165913419. The cubic root of 1328064 is about 109.9190589132.

The spelling of 1328064 in words is "one million, three hundred twenty-eight thousand, sixty-four".