1328011 has 4 divisors (see below), whose sum is σ = 1331512. Its totient is φ = 1324512.

The previous prime is 1328003. The next prime is 1328017. The reversal of 1328011 is 1108231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1108231 = 199 ⋅5569.

It is a cyclic number.

It is not a de Polignac number, because 1328011 - 2³ = 1328003 is a prime.

It is a super-2 number, since 2×1328011² = 3527226432242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1328017) 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, 1101 + ... + 1966.

It is an arithmetic number, because the mean of its divisors is an integer number (332878).

2^1328011 is an apocalyptic number.

1328011 is a deficient number, since it is larger than the sum of its proper divisors (3501).

1328011 is an equidigital number, since it uses as much as digits as its factorization.

1328011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1328011 is about 1152.3935959558. The cubic root of 1328011 is about 109.9175966876.

The spelling of 1328011 in words is "one million, three hundred twenty-eight thousand, eleven".