1268946 has 48 divisors (see below), whose sum is σ = 3267264. Its totient is φ = 361584.
The previous prime is 1268929. The next prime is 1268947. The reversal of 1268946 is 6498621.
It is a super-2 number, since 2×12689462 = 3220447901832, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1268946.
It is not an unprimeable number, because it can be changed into a prime (1268947) 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 23 ways as a sum of consecutive naturals, for example, 3216 + ... + 3588.
It is an arithmetic number, because the mean of its divisors is an integer number (68068).
21268946 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1268946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1633632).
1268946 is an abundant number, since it is smaller than the sum of its proper divisors (1998318).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1268946 is an equidigital number, since it uses as much as digits as its factorization.
1268946 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 397 (or 385 counting only the distinct ones).
The product of its digits is 20736, while the sum is 36.
The square root of 1268946 is about 1126.4750330123. The cubic root of 1268946 is about 108.2632467117.
The spelling of 1268946 in words is "one million, two hundred sixty-eight thousand, nine hundred forty-six".
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