1276528 has 20 divisors (see below), whose sum is σ = 2698488. Its totient is φ = 580160.

The previous prime is 1276511. The next prime is 1276529. The reversal of 1276528 is 8256721.

It is a self number, because there is not a number n which added to its sum of digits gives 1276528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1276529) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 3451 + ... + 3802.

2^1276528 is an apocalyptic number.

It is an amenable number.

1276528 is an abundant number, since it is smaller than the sum of its proper divisors (1421960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1276528 is a wasteful number, since it uses less digits than its factorization.

1276528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7272 (or 7266 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 1276528 is about 1129.8353862400. The cubic root of 1276528 is about 108.4784443293.

The spelling of 1276528 in words is "one million, two hundred seventy-six thousand, five hundred twenty-eight".