1328276 has 6 divisors (see below), whose sum is σ = 2324490. Its totient is φ = 664136.

The previous prime is 1328269. The next prime is 1328279. The reversal of 1328276 is 6728231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1322500 + 5776 = 1150^2 + 76^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328279) 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 as a sum of consecutive naturals, namely, 166031 + ... + 166038.

It is an arithmetic number, because the mean of its divisors is an integer number (387415).

2^1328276 is an apocalyptic number.

It is an amenable number.

1328276 is a deficient number, since it is larger than the sum of its proper divisors (996214).

1328276 is a wasteful number, since it uses less digits than its factorization.

1328276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332073 (or 332071 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 1328276 is about 1152.5085682979. The cubic root of 1328276 is about 109.9249074267.

The spelling of 1328276 in words is "one million, three hundred twenty-eight thousand, two hundred seventy-six".