11938943 has 2 divisors, whose sum is σ = 11938944. Its totient is φ = 11938942.

The previous prime is 11938933. The next prime is 11938951. The reversal of 11938943 is 34983911.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (34983911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11938943 - 2¹² = 11934847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11938897 and 11938906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11938933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5969471 + 5969472.

It is an arithmetic number, because the mean of its divisors is an integer number (5969472).

Almost surely, 2^11938943 is an apocalyptic number.

11938943 is a deficient number, since it is larger than the sum of its proper divisors (1).

11938943 is an equidigital number, since it uses as much as digits as its factorization.

11938943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 38.

The square root of 11938943 is about 3455.2775575922. The cubic root of 11938943 is about 228.5538946557.

The spelling of 11938943 in words is "eleven million, nine hundred thirty-eight thousand, nine hundred forty-three".