1303217 has 8 divisors (see below), whose sum is σ = 1351296. Its totient is φ = 1256112.

The previous prime is 1303213. The next prime is 1303219. The reversal of 1303217 is 7123031.

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 1303217 - 2² = 1303213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303195 and 1303204.

It is not an unprimeable number, because it can be changed into a prime (1303213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3368 + ... + 3734.

It is an arithmetic number, because the mean of its divisors is an integer number (168912).

2^1303217 is an apocalyptic number.

It is an amenable number.

1303217 is a deficient number, since it is larger than the sum of its proper divisors (48079).

1303217 is an equidigital number, since it uses as much as digits as its factorization.

1303217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487.

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

The square root of 1303217 is about 1141.5853012368. The cubic root of 1303217 is about 109.2292400688.

Adding to 1303217 its reverse (7123031), we get a palindrome (8426248).

The spelling of 1303217 in words is "one million, three hundred three thousand, two hundred seventeen".