1330005 has 8 divisors (see below), whose sum is σ = 2128032. Its totient is φ = 709328.

The previous prime is 1330003. The next prime is 1330009. The reversal of 1330005 is 5000331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1330005 - 2¹ = 1330003 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330001) 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, 44319 + ... + 44348.

It is an arithmetic number, because the mean of its divisors is an integer number (266004).

2^1330005 is an apocalyptic number.

1330005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1330005 is a deficient number, since it is larger than the sum of its proper divisors (798027).

1330005 is an equidigital number, since it uses as much as digits as its factorization.

1330005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88675.

The product of its (nonzero) digits is 45, while the sum is 12.

The square root of 1330005 is about 1153.2584272400. The cubic root of 1330005 is about 109.9725826985.

Adding to 1330005 its reverse (5000331), we get a palindrome (6330336).

The spelling of 1330005 in words is "one million, three hundred thirty thousand, five".