1282868 has 12 divisors (see below), whose sum is σ = 2262372. Its totient is φ = 636480.

The previous prime is 1282867. The next prime is 1282877. The reversal of 1282868 is 8682821.

It can be written as a sum of positive squares in 2 ways, for example, as 795664 + 487204 = 892^2 + 698^2 .

It is a super-3 number, since 3×1282868³ = 6333841208456028096, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282867) 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, 623 + ... + 1718.

It is an arithmetic number, because the mean of its divisors is an integer number (188531).

2^1282868 is an apocalyptic number.

It is an amenable number.

1282868 is a deficient number, since it is larger than the sum of its proper divisors (979504).

1282868 is a wasteful number, since it uses less digits than its factorization.

1282868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482 (or 2480 counting only the distinct ones).

The product of its digits is 12288, while the sum is 35.

The square root of 1282868 is about 1132.6376296062. The cubic root of 1282868 is about 108.6577373989.

The spelling of 1282868 in words is "one million, two hundred eighty-two thousand, eight hundred sixty-eight".