11811267 has 24 divisors (see below), whose sum is σ = 18518864. Its totient is φ = 7210944.

The previous prime is 11811253. The next prime is 11811271. The reversal of 11811267 is 76211811.

11811267 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11811267 - 2⁶ = 11811203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11811267.

It is not an unprimeable number, because it can be changed into a prime (11811227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18048 + ... + 18690.

Almost surely, 2^11811267 is an apocalyptic number.

11811267 is a deficient number, since it is larger than the sum of its proper divisors (6707597).

11811267 is a wasteful number, since it uses less digits than its factorization.

11811267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819 (or 816 counting only the distinct ones).

The product of its digits is 672, while the sum is 27.

The square root of 11811267 is about 3436.7523914300. The cubic root of 11811267 is about 227.7362485637.

The spelling of 11811267 in words is "eleven million, eight hundred eleven thousand, two hundred sixty-seven".