1317172 has 6 divisors (see below), whose sum is σ = 2305058. Its totient is φ = 658584.

The previous prime is 1317161. The next prime is 1317191. The reversal of 1317172 is 2717131.

It can be written as a sum of positive squares in only one way, i.e., 1240996 + 76176 = 1114^2 + 276^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164643 + ... + 164650.

2^1317172 is an apocalyptic number.

It is an amenable number.

1317172 is a deficient number, since it is larger than the sum of its proper divisors (987886).

1317172 is a wasteful number, since it uses less digits than its factorization.

1317172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329297 (or 329295 counting only the distinct ones).

The product of its digits is 294, while the sum is 22.

The square root of 1317172 is about 1147.6811403870. The cubic root of 1317172 is about 109.6177364870.

The spelling of 1317172 in words is "one million, three hundred seventeen thousand, one hundred seventy-two".