1332321 has 8 divisors (see below), whose sum is σ = 1853760. Its totient is φ = 849552.

The previous prime is 1332319. The next prime is 1332329. The reversal of 1332321 is 1232331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1332321 - 2¹ = 1332319 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1332321.

It is not an unprimeable number, because it can be changed into a prime (1332329) 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, 9586 + ... + 9723.

It is an arithmetic number, because the mean of its divisors is an integer number (231720).

2^1332321 is an apocalyptic number.

It is an amenable number.

1332321 is a deficient number, since it is larger than the sum of its proper divisors (521439).

1332321 is a wasteful number, since it uses less digits than its factorization.

1332321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19335.

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

The square root of 1332321 is about 1154.2621019509. The cubic root of 1332321 is about 110.0363791519.

Adding to 1332321 its reverse (1232331), we get a palindrome (2564652).

It can be divided in two parts, 1332 and 321, that added together give a triangular number (1653 = T₅₇).

The spelling of 1332321 in words is "one million, three hundred thirty-two thousand, three hundred twenty-one".