1331332 has 24 divisors (see below), whose sum is σ = 2520000. Its totient is φ = 613536.

The previous prime is 1331329. The next prime is 1331333. The reversal of 1331332 is 2331331.

It is not an unprimeable number, because it can be changed into a prime (1331333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2419 + ... + 2917.

It is an arithmetic number, because the mean of its divisors is an integer number (105000).

2^1331332 is an apocalyptic number.

It is an amenable number.

1331332 is a deficient number, since it is larger than the sum of its proper divisors (1188668).

1331332 is a wasteful number, since it uses less digits than its factorization.

1331332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 553 counting only the distinct ones).

The product of its digits is 162, while the sum is 16.

The square root of 1331332 is about 1153.8336101882. The cubic root of 1331332 is about 110.0091452452.

Adding to 1331332 its reverse (2331331), we get a palindrome (3662663).

Subtracting 1331332 from its reverse (2331331), we obtain a palindrome (999999).

The spelling of 1331332 in words is "one million, three hundred thirty-one thousand, three hundred thirty-two".