1318172 has 12 divisors (see below), whose sum is σ = 2322600. Its totient is φ = 654576.

The previous prime is 1318169. The next prime is 1318183. The reversal of 1318172 is 2718131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422 + ... + 1677.

It is an arithmetic number, because the mean of its divisors is an integer number (193550).

2^1318172 is an apocalyptic number.

It is an amenable number.

1318172 is a deficient number, since it is larger than the sum of its proper divisors (1004428).

1318172 is a wasteful number, since it uses less digits than its factorization.

1318172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260 (or 2258 counting only the distinct ones).

The product of its digits is 336, while the sum is 23.

The square root of 1318172 is about 1148.1167188052. The cubic root of 1318172 is about 109.6454701486.

The spelling of 1318172 in words is "one million, three hundred eighteen thousand, one hundred seventy-two".