1321332 has 24 divisors (see below), whose sum is σ = 3108000. Its totient is φ = 436896.

The previous prime is 1321319. The next prime is 1321349. The reversal of 1321332 is 2331231.

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

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, 1419 + ... + 2157.

It is an arithmetic number, because the mean of its divisors is an integer number (129500).

2^1321332 is an apocalyptic number.

1321332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1321332 is an abundant number, since it is smaller than the sum of its proper divisors (1786668).

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

1321332 is a wasteful number, since it uses less digits than its factorization.

1321332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895 (or 893 counting only the distinct ones).

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

The square root of 1321332 is about 1149.4920617386. The cubic root of 1321332 is about 109.7330164341.

Adding to 1321332 its reverse (2331231), we get a palindrome (3652563).

It can be divided in two parts, 1321 and 332, that added together give a triangular number (1653 = T₅₇).

The spelling of 1321332 in words is "one million, three hundred twenty-one thousand, three hundred thirty-two".