1318266 has 12 divisors (see below), whose sum is σ = 2856282. Its totient is φ = 439416.

The previous prime is 1318259. The next prime is 1318267. The reversal of 1318266 is 6628131.

It can be written as a sum of positive squares in only one way, i.e., 1134225 + 184041 = 1065^2 + 429^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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 5 ways as a sum of consecutive naturals, for example, 36601 + ... + 36636.

2^1318266 is an apocalyptic number.

1318266 is an abundant number, since it is smaller than the sum of its proper divisors (1538016).

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

1318266 is a wasteful number, since it uses less digits than its factorization.

1318266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73245 (or 73242 counting only the distinct ones).

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

The square root of 1318266 is about 1148.1576546799. The cubic root of 1318266 is about 109.6480763915.

The spelling of 1318266 in words is "one million, three hundred eighteen thousand, two hundred sixty-six".