1320352 has 48 divisors (see below), whose sum is σ = 2951424. Its totient is φ = 580800.

The previous prime is 1320343. The next prime is 1320353. The reversal of 1320352 is 2530231.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an Ulam number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1320353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42577 + ... + 42607.

It is an arithmetic number, because the mean of its divisors is an integer number (61488).

2^1320352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1475712).

1320352 is an abundant number, since it is smaller than the sum of its proper divisors (1631072).

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

1320352 is an equidigital number, since it uses as much as digits as its factorization.

1320352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 1320352 is about 1149.0657074337. The cubic root of 1320352 is about 109.7058809493.

Adding to 1320352 its reverse (2530231), we get a palindrome (3850583).

The spelling of 1320352 in words is "one million, three hundred twenty thousand, three hundred fifty-two".