1286268 has 24 divisors (see below), whose sum is σ = 3083472. Its totient is φ = 417024.

The previous prime is 1286267. The next prime is 1286269. The reversal of 1286268 is 8626821.

It is an interprime number because it is at equal distance from previous prime (1286267) and next prime (1286269).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1286261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1005 + ... + 1892.

It is an arithmetic number, because the mean of its divisors is an integer number (128478).

2^1286268 is an apocalyptic number.

It is an amenable number.

1286268 is an abundant number, since it is smaller than the sum of its proper divisors (1797204).

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

1286268 is a wasteful number, since it uses less digits than its factorization.

1286268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2941 (or 2939 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 1286268 is about 1134.1375577945. The cubic root of 1286268 is about 108.7536450093.

The spelling of 1286268 in words is "one million, two hundred eighty-six thousand, two hundred sixty-eight".