11387267 has 4 divisors (see below), whose sum is σ = 11411520. Its totient is φ = 11363016.

The previous prime is 11387239. The next prime is 11387269. The reversal of 11387267 is 76278311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76278311 = 2287 ⋅33353.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11387267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11387269) 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 3 ways as a sum of consecutive naturals, for example, 11408 + ... + 12365.

It is an arithmetic number, because the mean of its divisors is an integer number (2852880).

Almost surely, 2^11387267 is an apocalyptic number.

11387267 is a deficient number, since it is larger than the sum of its proper divisors (24253).

11387267 is an equidigital number, since it uses as much as digits as its factorization.

11387267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24252.

The product of its digits is 14112, while the sum is 35.

The square root of 11387267 is about 3374.5024818483. The cubic root of 11387267 is about 224.9778875388.

The spelling of 11387267 in words is "eleven million, three hundred eighty-seven thousand, two hundred sixty-seven".