1276328 has 8 divisors (see below), whose sum is σ = 2393130. Its totient is φ = 638160.

The previous prime is 1276313. The next prime is 1276351. The reversal of 1276328 is 8236721.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1162084 + 114244 = 1078^2 + 338^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1276328.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79763 + ... + 79778.

2^1276328 is an apocalyptic number.

It is an amenable number.

1276328 is a deficient number, since it is larger than the sum of its proper divisors (1116802).

1276328 is a wasteful number, since it uses less digits than its factorization.

1276328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159547 (or 159543 counting only the distinct ones).

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

The square root of 1276328 is about 1129.7468743042. The cubic root of 1276328 is about 108.4727787474.

The spelling of 1276328 in words is "one million, two hundred seventy-six thousand, three hundred twenty-eight".