1268338 has 4 divisors (see below), whose sum is σ = 1902510. Its totient is φ = 634168.

The previous prime is 1268327. The next prime is 1268341. The reversal of 1268338 is 8338621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8338621 = 41 ⋅203381.

It can be written as a sum of positive squares in only one way, i.e., 815409 + 452929 = 903^2 + 673^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 as a sum of consecutive naturals, namely, 317083 + ... + 317086.

2^1268338 is an apocalyptic number.

1268338 is a deficient number, since it is larger than the sum of its proper divisors (634172).

1268338 is an equidigital number, since it uses as much as digits as its factorization.

1268338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634171.

The product of its digits is 6912, while the sum is 31.

The square root of 1268338 is about 1126.2051322916. The cubic root of 1268338 is about 108.2459529446.

It can be divided in two parts, 12683 and 38, that added together give a palindrome (12721).

The spelling of 1268338 in words is "one million, two hundred sixty-eight thousand, three hundred thirty-eight".