11318999 has 4 divisors (see below), whose sum is σ = 11684160. Its totient is φ = 10953840.

The previous prime is 11318987. The next prime is 11319031. The reversal of 11318999 is 99981311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99981311 = 73 ⋅1369607.

It is a cyclic number.

It is not a de Polignac number, because 11318999 - 2⁸ = 11318743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11318939) 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, 182534 + ... + 182595.

It is an arithmetic number, because the mean of its divisors is an integer number (2921040).

Almost surely, 2^11318999 is an apocalyptic number.

11318999 is a deficient number, since it is larger than the sum of its proper divisors (365161).

11318999 is an equidigital number, since it uses as much as digits as its factorization.

11318999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365160.

The product of its digits is 17496, while the sum is 41.

The square root of 11318999 is about 3364.3720067793. The cubic root of 11318999 is about 224.5273964876.

The spelling of 11318999 in words is "eleven million, three hundred eighteen thousand, nine hundred ninety-nine".