11389267 has 4 divisors (see below), whose sum is σ = 11667096. Its totient is φ = 11111440.

The previous prime is 11389253. The next prime is 11389277. The reversal of 11389267 is 76298311.

11389267 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11389267 - 2¹¹ = 11387219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11389207) 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 3 ways as a sum of consecutive naturals, for example, 138853 + ... + 138934.

It is an arithmetic number, because the mean of its divisors is an integer number (2916774).

Almost surely, 2^11389267 is an apocalyptic number.

11389267 is a deficient number, since it is larger than the sum of its proper divisors (277829).

11389267 is an equidigital number, since it uses as much as digits as its factorization.

11389267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277828.

The product of its digits is 18144, while the sum is 37.

The square root of 11389267 is about 3374.7988088181. The cubic root of 11389267 is about 224.9910580809.

The spelling of 11389267 in words is "eleven million, three hundred eighty-nine thousand, two hundred sixty-seven".