1316232 has 48 divisors (see below), whose sum is σ = 3619980. Its totient is φ = 432000.

The previous prime is 1316213. The next prime is 1316239. The reversal of 1316232 is 2326131.

It can be written as a sum of positive squares in 2 ways, for example, as 1313316 + 2916 = 1146^2 + 54^2 .

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1316239) 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 11 ways as a sum of consecutive naturals, for example, 7182 + ... + 7362.

2^1316232 is an apocalyptic number.

1316232 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 1316232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1809990).

1316232 is an abundant number, since it is smaller than the sum of its proper divisors (2303748).

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

1316232 is a wasteful number, since it uses less digits than its factorization.

1316232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 287 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 1316232 is about 1147.2715458862. The cubic root of 1316232 is about 109.5916540433.

The spelling of 1316232 in words is "one million, three hundred sixteen thousand, two hundred thirty-two".