1282986 has 32 divisors (see below), whose sum is σ = 2977920. Its totient is φ = 408672.

The previous prime is 1282969. The next prime is 1282993. The reversal of 1282986 is 6892821.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 1282986.

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 in 15 ways as a sum of consecutive naturals, for example, 726 + ... + 1758.

It is an arithmetic number, because the mean of its divisors is an integer number (93060).

2^1282986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1282986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1488960).

1282986 is an abundant number, since it is smaller than the sum of its proper divisors (1694934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1282986 is a wasteful number, since it uses less digits than its factorization.

1282986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067 (or 1061 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 1282986 is about 1132.6897192082. The cubic root of 1282986 is about 108.6610687938.

The spelling of 1282986 in words is "one million, two hundred eighty-two thousand, nine hundred eighty-six".