1318032 has 70 divisors (see below), whose sum is σ = 3862662. Its totient is φ = 435456.

The previous prime is 1318019. The next prime is 1318033. The reversal of 1318032 is 2308131.

It can be written as a sum of positive squares in only one way, i.e., 746496 + 571536 = 864^2 + 756^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1317996 and 1318014.

It is not an unprimeable number, because it can be changed into a prime (1318033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 11608 + ... + 11720.

2^1318032 is an apocalyptic number.

1318032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1318032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1931331).

1318032 is an abundant number, since it is smaller than the sum of its proper divisors (2544630).

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

1318032 is an equidigital number, since it uses as much as digits as its factorization.

1318032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1318032 is about 1148.0557477753. The cubic root of 1318032 is about 109.6415882806.

Subtracting 1318032 from its reverse (2308131), we obtain a palindrome (990099).

The spelling of 1318032 in words is "one million, three hundred eighteen thousand, thirty-two".