1313232 has 40 divisors (see below), whose sum is σ = 3437280. Its totient is φ = 432000.

The previous prime is 1313219. The next prime is 1313237. The reversal of 1313232 is 2323131.

1313232 is nontrivially palindromic in base 11.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313237) 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 7 ways as a sum of consecutive naturals, for example, 5107 + ... + 5357.

It is an arithmetic number, because the mean of its divisors is an integer number (85932).

2^1313232 is an apocalyptic number.

1313232 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 1313232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1718640).

1313232 is an abundant number, since it is smaller than the sum of its proper divisors (2124048).

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

1313232 is a wasteful number, since it uses less digits than its factorization.

1313232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 365 counting only the distinct ones).

The product of its digits is 108, while the sum is 15.

The square root of 1313232 is about 1145.9633501993. The cubic root of 1313232 is about 109.5083290510.

Adding to 1313232 its reverse (2323131), we get a palindrome (3636363).

The spelling of 1313232 in words is "one million, three hundred thirteen thousand, two hundred thirty-two".