1268316 has 54 divisors (see below), whose sum is σ = 3734640. Its totient is φ = 361872.

The previous prime is 1268299. The next prime is 1268327. The reversal of 1268316 is 6138621.

It is a self number, because there is not a number n which added to its sum of digits gives 1268316.

It is a congruent number.

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 17 ways as a sum of consecutive naturals, for example, 1405 + ... + 2123.

It is an arithmetic number, because the mean of its divisors is an integer number (69160).

2^1268316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1268316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1867320).

1268316 is an abundant number, since it is smaller than the sum of its proper divisors (2466324).

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

1268316 is a wasteful number, since it uses less digits than its factorization.

1268316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743 (or 731 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 1268316 is about 1126.1953649345. The cubic root of 1268316 is about 108.2453270797.

The spelling of 1268316 in words is "one million, two hundred sixty-eight thousand, three hundred sixteen".