1328812 has 6 divisors (see below), whose sum is σ = 2325428. Its totient is φ = 664404.

The previous prime is 1328807. The next prime is 1328827. The reversal of 1328812 is 2188231.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166098 + ... + 166105.

2^1328812 is an apocalyptic number.

It is an amenable number.

1328812 is a deficient number, since it is larger than the sum of its proper divisors (996616).

1328812 is a wasteful number, since it uses less digits than its factorization.

1328812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332207 (or 332205 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

The square root of 1328812 is about 1152.7410810759. The cubic root of 1328812 is about 109.9396914592.

The spelling of 1328812 in words is "one million, three hundred twenty-eight thousand, eight hundred twelve".