1320330 has 32 divisors (see below), whose sum is σ = 3457728. Its totient is φ = 320000.

The previous prime is 1320307. The next prime is 1320331. The reversal of 1320330 is 330231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1320331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1671 + ... + 2330.

It is an arithmetic number, because the mean of its divisors is an integer number (108054).

2^1320330 is an apocalyptic number.

1320330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320330 is an abundant number, since it is smaller than the sum of its proper divisors (2137398).

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

1320330 is a wasteful number, since it uses less digits than its factorization.

1320330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 1320330 is about 1149.0561343990. The cubic root of 1320330 is about 109.7052716312.

Adding to 1320330 its reverse (330231), we get a palindrome (1650561).

Subtracting from 1320330 its reverse (330231), we obtain a palindrome (990099).

It can be divided in two parts, 1320 and 330, that multiplied together give a square (435600 = 660²).

The spelling of 1320330 in words is "one million, three hundred twenty thousand, three hundred thirty".