1288676 has 6 divisors (see below), whose sum is σ = 2255190. Its totient is φ = 644336.

The previous prime is 1288657. The next prime is 1288691. The reversal of 1288676 is 6768821.

It can be written as a sum of positive squares in only one way, i.e., 1048576 + 240100 = 1024^2 + 490^2 .

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, 161081 + ... + 161088.

It is an arithmetic number, because the mean of its divisors is an integer number (375865).

2^1288676 is an apocalyptic number.

It is an amenable number.

1288676 is a deficient number, since it is larger than the sum of its proper divisors (966514).

1288676 is a wasteful number, since it uses less digits than its factorization.

1288676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322173 (or 322171 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 1288676 is about 1135.1986610281. The cubic root of 1288676 is about 108.8214679740.

It can be divided in two parts, 12 and 88676, that added together give a palindrome (88688).

The spelling of 1288676 in words is "one million, two hundred eighty-eight thousand, six hundred seventy-six".