1228317 has 8 divisors (see below), whose sum is σ = 1657824. Its totient is φ = 808848.

The previous prime is 1228309. The next prime is 1228327. The reversal of 1228317 is 7138221.

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

It is not a de Polignac number, because 1228317 - 2³ = 1228309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228327) 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, 2218 + ... + 2715.

It is an arithmetic number, because the mean of its divisors is an integer number (207228).

2^1228317 is an apocalyptic number.

It is an amenable number.

1228317 is a deficient number, since it is larger than the sum of its proper divisors (429507).

1228317 is an equidigital number, since it uses as much as digits as its factorization.

1228317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5019.

The product of its digits is 672, while the sum is 24.

The square root of 1228317 is about 1108.2946359159. The cubic root of 1228317 is about 107.0952364885.

The spelling of 1228317 in words is "one million, two hundred twenty-eight thousand, three hundred seventeen".