1268893 has 4 divisors (see below), whose sum is σ = 1271200. Its totient is φ = 1266588.

The previous prime is 1268881. The next prime is 1268899. The reversal of 1268893 is 3988621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1268893 is a prime.

It is a super-2 number, since 2×1268893² = 3220178890898, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

1268893 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208 + ... + 1606.

It is an arithmetic number, because the mean of its divisors is an integer number (317800).

2^1268893 is an apocalyptic number.

It is an amenable number.

1268893 is a deficient number, since it is larger than the sum of its proper divisors (2307).

1268893 is an equidigital number, since it uses as much as digits as its factorization.

1268893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306.

The product of its digits is 20736, while the sum is 37.

The square root of 1268893 is about 1126.4515080553. The cubic root of 1268893 is about 108.2617394156.

The spelling of 1268893 in words is "one million, two hundred sixty-eight thousand, eight hundred ninety-three".