1320608 has 12 divisors (see below), whose sum is σ = 2600010. Its totient is φ = 660288.

The previous prime is 1320607. The next prime is 1320617. The reversal of 1320608 is 8060231.

It can be written as a sum of positive squares in only one way, i.e., 1317904 + 2704 = 1148^2 + 52^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1320608.

It is not an unprimeable number, because it can be changed into a prime (1320607) 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 as a sum of consecutive naturals, namely, 20603 + ... + 20666.

2^1320608 is an apocalyptic number.

It is an amenable number.

1320608 is a deficient number, since it is larger than the sum of its proper divisors (1279402).

1320608 is an equidigital number, since it uses as much as digits as its factorization.

1320608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41279 (or 41271 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1320608 is about 1149.1770968828. The cubic root of 1320608 is about 109.7129706977.

Adding to 1320608 its reverse (8060231), we get a palindrome (9380839).

The spelling of 1320608 in words is "one million, three hundred twenty thousand, six hundred eight".