1317198 has 8 divisors (see below), whose sum is σ = 2634408. Its totient is φ = 439064.

The previous prime is 1317193. The next prime is 1317223. The reversal of 1317198 is 8917131.

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

1317198 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317191) 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, 109761 + ... + 109772.

It is an arithmetic number, because the mean of its divisors is an integer number (329301).

2^1317198 is an apocalyptic number.

1317198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1317198 is a wasteful number, since it uses less digits than its factorization.

1317198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219538.

The product of its digits is 1512, while the sum is 30.

The square root of 1317198 is about 1147.6924675191. The cubic root of 1317198 is about 109.6184577399.

The spelling of 1317198 in words is "one million, three hundred seventeen thousand, one hundred ninety-eight".