1320008 has 8 divisors (see below), whose sum is σ = 2475030. Its totient is φ = 660000.

The previous prime is 1319963. The next prime is 1320019. The reversal of 1320008 is 8000231.

It can be written as a sum of positive squares in only one way, i.e., 1295044 + 24964 = 1138^2 + 158^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1320008² = 3484842240128, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1319974 and 1320001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82493 + ... + 82508.

2^1320008 is an apocalyptic number.

It is an amenable number.

1320008 is a deficient number, since it is larger than the sum of its proper divisors (1155022).

1320008 is a wasteful number, since it uses less digits than its factorization.

1320008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165007 (or 165003 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1320008 is about 1148.9160108554. The cubic root of 1320008 is about 109.6963526566.

Adding to 1320008 its reverse (8000231), we get a palindrome (9320239).

The spelling of 1320008 in words is "one million, three hundred twenty thousand, eight".