11243999 has 8 divisors (see below), whose sum is σ = 12138000. Its totient is φ = 10354176.

The previous prime is 11243989. The next prime is 11244011. The reversal of 11243999 is 99934211.

11243999 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11243999 - 2⁴ = 11243983 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 (11243929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6752 + ... + 8250.

It is an arithmetic number, because the mean of its divisors is an integer number (1517250).

Almost surely, 2^11243999 is an apocalyptic number.

11243999 is a deficient number, since it is larger than the sum of its proper divisors (894001).

11243999 is a wasteful number, since it uses less digits than its factorization.

11243999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089.

The product of its digits is 17496, while the sum is 38.

The square root of 11243999 is about 3353.2072706589. The cubic root of 11243999 is about 224.0303888937.

The spelling of 11243999 in words is "eleven million, two hundred forty-three thousand, nine hundred ninety-nine".