11955243 has 8 divisors (see below), whose sum is σ = 16454656. Its totient is φ = 7713000.

The previous prime is 11955227. The next prime is 11955277. The reversal of 11955243 is 34255911.

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

It is not a de Polignac number, because 11955243 - 2⁴ = 11955227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11955243.

It is not an unprimeable number, because it can be changed into a prime (11955943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64183 + ... + 64368.

It is an arithmetic number, because the mean of its divisors is an integer number (2056832).

Almost surely, 2^11955243 is an apocalyptic number.

11955243 is a deficient number, since it is larger than the sum of its proper divisors (4499413).

11955243 is a wasteful number, since it uses less digits than its factorization.

11955243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128585.

The product of its digits is 5400, while the sum is 30.

The square root of 11955243 is about 3457.6354637237. The cubic root of 11955243 is about 228.6578607090.

The spelling of 11955243 in words is "eleven million, nine hundred fifty-five thousand, two hundred forty-three".