1276888 has 16 divisors (see below), whose sum is σ = 2409480. Its totient is φ = 634368.

The previous prime is 1276871. The next prime is 1276889. The reversal of 1276888 is 8886721.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1276888.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1276889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1131 + ... + 1957.

2^1276888 is an apocalyptic number.

It is an amenable number.

1276888 is a deficient number, since it is larger than the sum of its proper divisors (1132592).

1276888 is a wasteful number, since it uses less digits than its factorization.

1276888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026 (or 1022 counting only the distinct ones).

The product of its digits is 43008, while the sum is 40.

The square root of 1276888 is about 1129.9946902530. The cubic root of 1276888 is about 108.4886408858.

The spelling of 1276888 in words is "one million, two hundred seventy-six thousand, eight hundred eighty-eight".