11266987 has 4 divisors (see below), whose sum is σ = 11756880. Its totient is φ = 10777096.

The previous prime is 11266973. The next prime is 11267023. The reversal of 11266987 is 78966211.

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 11266987 - 2⁷ = 11266859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11266967) 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, 244912 + ... + 244957.

It is an arithmetic number, because the mean of its divisors is an integer number (2939220).

Almost surely, 2^11266987 is an apocalyptic number.

11266987 is a deficient number, since it is larger than the sum of its proper divisors (489893).

11266987 is an equidigital number, since it uses as much as digits as its factorization.

11266987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489892.

The product of its digits is 36288, while the sum is 40.

The square root of 11266987 is about 3356.6332835149. The cubic root of 11266987 is about 224.1829593117.

The spelling of 11266987 in words is "eleven million, two hundred sixty-six thousand, nine hundred eighty-seven".