1328577 has 8 divisors (see below), whose sum is σ = 1832640. Its totient is φ = 855120.

The previous prime is 1328573. The next prime is 1328603. The reversal of 1328577 is 7758231.

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

It is not a de Polignac number, because 1328577 - 2² = 1328573 is a prime.

It is a d-powerful number, because it can be written as 1 + 3⁴ + 2²⁰ + 8⁶ + 5⁴ + 7³ + 7⁵ .

It is not an unprimeable number, because it can be changed into a prime (1328573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7549 + ... + 7722.

It is an arithmetic number, because the mean of its divisors is an integer number (229080).

2^1328577 is an apocalyptic number.

It is an amenable number.

1328577 is a deficient number, since it is larger than the sum of its proper divisors (504063).

1328577 is a wasteful number, since it uses less digits than its factorization.

1328577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15303.

The product of its digits is 11760, while the sum is 33.

The square root of 1328577 is about 1152.6391456132. The cubic root of 1328577 is about 109.9332101434.

The spelling of 1328577 in words is "one million, three hundred twenty-eight thousand, five hundred seventy-seven".