1318268 has 36 divisors (see below), whose sum is σ = 2787120. Its totient is φ = 534336.

The previous prime is 1318267. The next prime is 1318279. The reversal of 1318268 is 8628131.

It is a self number, because there is not a number n which added to its sum of digits gives 1318268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318267) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 14768 + ... + 14856.

It is an arithmetic number, because the mean of its divisors is an integer number (77420).

2^1318268 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 1318268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1393560).

1318268 is an abundant number, since it is smaller than the sum of its proper divisors (1468852).

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

1318268 is a wasteful number, since it uses less digits than its factorization.

1318268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 121 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 1318268 is about 1148.1585256401. The cubic root of 1318268 is about 109.6481318421.

It can be divided in two parts, 13 and 18268, that added together give a palindrome (18281).

The spelling of 1318268 in words is "one million, three hundred eighteen thousand, two hundred sixty-eight".