1282664 has 16 divisors (see below), whose sum is σ = 2509920. Its totient is φ = 613360.

The previous prime is 1282661. The next prime is 1282681. The reversal of 1282664 is 4662821.

It is not an unprimeable number, because it can be changed into a prime (1282661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3302 + ... + 3669.

It is an arithmetic number, because the mean of its divisors is an integer number (156870).

2^1282664 is an apocalyptic number.

It is an amenable number.

1282664 is a deficient number, since it is larger than the sum of its proper divisors (1227256).

1282664 is a wasteful number, since it uses less digits than its factorization.

1282664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7000 (or 6996 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 1282664 is about 1132.5475707448. The cubic root of 1282664 is about 108.6519775562.

The spelling of 1282664 in words is "one million, two hundred eighty-two thousand, six hundred sixty-four".