1320208 has 20 divisors (see below), whose sum is σ = 2584780. Its totient is φ = 653184.

The previous prime is 1320199. The next prime is 1320211. The reversal of 1320208 is 8020231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 868624 + 451584 = 932^2 + 672^2 .

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1320191 and 1320200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1366 + ... + 2122.

It is an arithmetic number, because the mean of its divisors is an integer number (129239).

2^1320208 is an apocalyptic number.

It is an amenable number.

1320208 is a deficient number, since it is larger than the sum of its proper divisors (1264572).

1320208 is a wasteful number, since it uses less digits than its factorization.

1320208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1320208 is about 1149.0030461230. The cubic root of 1320208 is about 109.7018925630.

Adding to 1320208 its reverse (8020231), we get a palindrome (9340439).

The spelling of 1320208 in words is "one million, three hundred twenty thousand, two hundred eight".