1330217 has 4 divisors (see below), whose sum is σ = 1520256. Its totient is φ = 1140180.

The previous prime is 1330213. The next prime is 1330223. The reversal of 1330217 is 7120331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7120331 = 17 ⋅418843.

It is a cyclic number.

It is not a de Polignac number, because 1330217 - 2² = 1330213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330195 and 1330204.

It is not an unprimeable number, because it can be changed into a prime (1330211) 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, 95009 + ... + 95022.

It is an arithmetic number, because the mean of its divisors is an integer number (380064).

2^1330217 is an apocalyptic number.

It is an amenable number.

1330217 is a deficient number, since it is larger than the sum of its proper divisors (190039).

1330217 is an equidigital number, since it uses as much as digits as its factorization.

1330217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190038.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 1330217 is about 1153.3503370616. The cubic root of 1330217 is about 109.9784255209.

Adding to 1330217 its reverse (7120331), we get a palindrome (8450548).

The spelling of 1330217 in words is "one million, three hundred thirty thousand, two hundred seventeen".