1323000 has 192 divisors, whose sum is σ = 5335200. Its totient is φ = 302400.

The previous prime is 1322977. The next prime is 1323001. The reversal of 1323000 is 3231.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 188997 + ... + 189003.

2^1323000 is an apocalyptic number.

1323000 is a gapful number since it is divisible by the number (10) 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 1323000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2667600).

1323000 is an abundant number, since it is smaller than the sum of its proper divisors (4012200).

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

1323000 is a wasteful number, since it uses less digits than its factorization.

1323000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 1323000 is about 1150.2173707608. The cubic root of 1323000 is about 109.7791713007.

Adding to 1323000 its reverse (3231), we get a palindrome (1326231).

The spelling of 1323000 in words is "one million, three hundred twenty-three thousand".