1323320 has 16 divisors (see below), whose sum is σ = 2977560. Its totient is φ = 529312.

The previous prime is 1323319. The next prime is 1323323. The reversal of 1323320 is 233231.

It is a junction number, because it is equal to n+sod(n) for n = 1323295 and 1323304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16502 + ... + 16581.

2^1323320 is an apocalyptic number.

1323320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323320 is an abundant number, since it is smaller than the sum of its proper divisors (1654240).

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

1323320 is a wasteful number, since it uses less digits than its factorization.

1323320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33094 (or 33090 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 1323320 is about 1150.3564664920. The cubic root of 1323320 is about 109.7880215156.

Adding to 1323320 its reverse (233231), we get a palindrome (1556551).

The spelling of 1323320 in words is "one million, three hundred twenty-three thousand, three hundred twenty".