1317232 has 40 divisors (see below), whose sum is σ = 3075200. Its totient is φ = 533952.

The previous prime is 1317229. The next prime is 1317247. The reversal of 1317232 is 2327131.

1317232 is nontrivially palindromic in base 6.

It is a super-3 number, since 3×1317232³ = 6856588290045333504, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1819 + ... + 2437.

It is an arithmetic number, because the mean of its divisors is an integer number (76880).

2^1317232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1317232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1537600).

1317232 is an abundant number, since it is smaller than the sum of its proper divisors (1757968).

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

1317232 is a wasteful number, since it uses less digits than its factorization.

1317232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 647 counting only the distinct ones).

The product of its digits is 252, while the sum is 19.

The square root of 1317232 is about 1147.7072797539. The cubic root of 1317232 is about 109.6194009025.

The spelling of 1317232 in words is "one million, three hundred seventeen thousand, two hundred thirty-two".