11914243 has 4 divisors (see below), whose sum is σ = 12997368. Its totient is φ = 10831120.

The previous prime is 11914193. The next prime is 11914247. The reversal of 11914243 is 34241911.

It is a happy number.

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 11914243 - 2⁹ = 11913731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11914247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541546 + ... + 541567.

It is an arithmetic number, because the mean of its divisors is an integer number (3249342).

Almost surely, 2^11914243 is an apocalyptic number.

11914243 is a deficient number, since it is larger than the sum of its proper divisors (1083125).

11914243 is a wasteful number, since it uses less digits than its factorization.

11914243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083124.

The product of its digits is 864, while the sum is 25.

The square root of 11914243 is about 3451.7014644954. The cubic root of 11914243 is about 228.3961705094.

The spelling of 11914243 in words is "eleven million, nine hundred fourteen thousand, two hundred forty-three".