1328776 has 16 divisors (see below), whose sum is σ = 2509200. Its totient is φ = 659664.

The previous prime is 1328749. The next prime is 1328777. The reversal of 1328776 is 6778231.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1328777) 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 in 3 ways as a sum of consecutive naturals, for example, 795 + ... + 1813.

It is an arithmetic number, because the mean of its divisors is an integer number (156825).

2^1328776 is an apocalyptic number.

It is an amenable number.

1328776 is a deficient number, since it is larger than the sum of its proper divisors (1180424).

1328776 is a wasteful number, since it uses less digits than its factorization.

1328776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188 (or 1184 counting only the distinct ones).

The product of its digits is 14112, while the sum is 34.

The square root of 1328776 is about 1152.7254660152. The cubic root of 1328776 is about 109.9386986264.

The spelling of 1328776 in words is "one million, three hundred twenty-eight thousand, seven hundred seventy-six".