1268799 has 16 divisors (see below), whose sum is σ = 1996800. Its totient is φ = 701280.

The previous prime is 1268797. The next prime is 1268803. The reversal of 1268799 is 9978621.

It is not a de Polignac number, because 1268799 - 2¹ = 1268797 is a prime.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 1268799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324 + ... + 1625.

It is an arithmetic number, because the mean of its divisors is an integer number (124800).

2^1268799 is an apocalyptic number.

1268799 is a deficient number, since it is larger than the sum of its proper divisors (728001).

1268799 is a wasteful number, since it uses less digits than its factorization.

1268799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990.

The product of its digits is 54432, while the sum is 42.

The square root of 1268799 is about 1126.4097833382. The cubic root of 1268799 is about 108.2590659948.

Adding to 1268799 its product of digits (54432), we get a palindrome (1323231).

The spelling of 1268799 in words is "one million, two hundred sixty-eight thousand, seven hundred ninety-nine".