11944943 has 4 divisors (see below), whose sum is σ = 11976840. Its totient is φ = 11913048.

The previous prime is 11944913. The next prime is 11944979. The reversal of 11944943 is 34944911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11944943 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 (11944903) 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, 15380 + ... + 16137.

It is an arithmetic number, because the mean of its divisors is an integer number (2994210).

Almost surely, 2^11944943 is an apocalyptic number.

11944943 is a deficient number, since it is larger than the sum of its proper divisors (31897).

11944943 is an equidigital number, since it uses as much as digits as its factorization.

11944943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31896.

The product of its digits is 15552, while the sum is 35.

The square root of 11944943 is about 3456.1456855868. The cubic root of 11944943 is about 228.5921753676.

The spelling of 11944943 in words is "eleven million, nine hundred forty-four thousand, nine hundred forty-three".