1328308 has 12 divisors (see below), whose sum is σ = 2356900. Its totient is φ = 654912.

The previous prime is 1328297. The next prime is 1328311. The reversal of 1328308 is 8038231.

It can be written as a sum of positive squares in 2 ways, for example, as 868624 + 459684 = 932^2 + 678^2 .

It is a congruent number.

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, 1983 + ... + 2566.

2^1328308 is an apocalyptic number.

It is an amenable number.

1328308 is a deficient number, since it is larger than the sum of its proper divisors (1028592).

1328308 is a wasteful number, since it uses less digits than its factorization.

1328308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626 (or 4624 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1328308 is about 1152.5224509744. The cubic root of 1328308 is about 109.9257901671.

The spelling of 1328308 in words is "one million, three hundred twenty-eight thousand, three hundred eight".