1328245 has 8 divisors (see below), whose sum is σ = 1602720. Its totient is φ = 1056720.

The previous prime is 1328237. The next prime is 1328269. The reversal of 1328245 is 5428231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1328245 - 2³ = 1328237 is a prime.

It is a d-powerful number, because it can be written as 1 + 3 + 2¹⁸ + 8³ + 2²⁰ + 4⁷ + 5⁴ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426 + ... + 1684.

It is an arithmetic number, because the mean of its divisors is an integer number (200340).

2^1328245 is an apocalyptic number.

It is an amenable number.

1328245 is a deficient number, since it is larger than the sum of its proper divisors (274475).

1328245 is a wasteful number, since it uses less digits than its factorization.

1328245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475.

The product of its digits is 1920, while the sum is 25.

The square root of 1328245 is about 1152.4951192955. The cubic root of 1328245 is about 109.9240522584.

The spelling of 1328245 in words is "one million, three hundred twenty-eight thousand, two hundred forty-five".