1276825 has 12 divisors (see below), whose sum is σ = 1727568. Its totient is φ = 928400.

The previous prime is 1276817. The next prime is 1276829. The reversal of 1276825 is 5286721.

It is not a de Polignac number, because 1276825 - 2³ = 1276817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1276829) 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 11 ways as a sum of consecutive naturals, for example, 2047 + ... + 2596.

It is an arithmetic number, because the mean of its divisors is an integer number (143964).

2^1276825 is an apocalyptic number.

It is an amenable number.

1276825 is a deficient number, since it is larger than the sum of its proper divisors (450743).

1276825 is a wasteful number, since it uses less digits than its factorization.

1276825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4664 (or 4659 counting only the distinct ones).

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

The square root of 1276825 is about 1129.9668136720. The cubic root of 1276825 is about 108.4868566267.

The spelling of 1276825 in words is "one million, two hundred seventy-six thousand, eight hundred twenty-five".