11318899 has 4 divisors (see below), whose sum is σ = 11325664. Its totient is φ = 11312136.

The previous prime is 11318897. The next prime is 11318939. The reversal of 11318899 is 99881311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 99881311 = 317 ⋅315083.

It is a cyclic number.

It is not a de Polignac number, because 11318899 - 2¹ = 11318897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11318897) 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, 1174 + ... + 4900.

It is an arithmetic number, because the mean of its divisors is an integer number (2831416).

Almost surely, 2^11318899 is an apocalyptic number.

11318899 is a deficient number, since it is larger than the sum of its proper divisors (6765).

11318899 is an equidigital number, since it uses as much as digits as its factorization.

11318899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6764.

The product of its digits is 15552, while the sum is 40.

The square root of 11318899 is about 3364.3571451319. The cubic root of 11318899 is about 224.5267352747.

The spelling of 11318899 in words is "eleven million, three hundred eighteen thousand, eight hundred ninety-nine".