11266863 has 4 divisors (see below), whose sum is σ = 15022488. Its totient is φ = 7511240.

The previous prime is 11266859. The next prime is 11266873. The reversal of 11266863 is 36866211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36866211 = 3 ⋅12288737.

It is a cyclic number.

It is not a de Polignac number, because 11266863 - 2² = 11266859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11266813) 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, 1877808 + ... + 1877813.

It is an arithmetic number, because the mean of its divisors is an integer number (3755622).

Almost surely, 2^11266863 is an apocalyptic number.

11266863 is a deficient number, since it is larger than the sum of its proper divisors (3755625).

11266863 is an equidigital number, since it uses as much as digits as its factorization.

11266863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755624.

The product of its digits is 10368, while the sum is 33.

The square root of 11266863 is about 3356.6148125753. The cubic root of 11266863 is about 224.1821368857.

The spelling of 11266863 in words is "eleven million, two hundred sixty-six thousand, eight hundred sixty-three".