1328039 has 4 divisors (see below), whose sum is σ = 1338624. Its totient is φ = 1317456.

The previous prime is 1328017. The next prime is 1328051. The reversal of 1328039 is 9308231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1328039 - 2⁸ = 1327783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1327999 and 1328017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5102 + ... + 5355.

It is an arithmetic number, because the mean of its divisors is an integer number (334656).

2^1328039 is an apocalyptic number.

1328039 is a deficient number, since it is larger than the sum of its proper divisors (10585).

1328039 is a wasteful number, since it uses less digits than its factorization.

1328039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10584.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1328039 is about 1152.4057445188. The cubic root of 1328039 is about 109.9183691890.

The spelling of 1328039 in words is "one million, three hundred twenty-eight thousand, thirty-nine".