1282564 has 12 divisors (see below), whose sum is σ = 2253888. Its totient is φ = 638600.

The previous prime is 1282543. The next prime is 1282571. The reversal of 1282564 is 4652821.

It is a plaindrome in base 14.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729 + ... + 1759.

It is an arithmetic number, because the mean of its divisors is an integer number (187824).

2^1282564 is an apocalyptic number.

It is an amenable number.

1282564 is a deficient number, since it is larger than the sum of its proper divisors (971324).

1282564 is a wasteful number, since it uses less digits than its factorization.

1282564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346 (or 1344 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 1282564 is about 1132.5034216284. The cubic root of 1282564 is about 108.6491538809.

The spelling of 1282564 in words is "one million, two hundred eighty-two thousand, five hundred sixty-four".