11347943 has 2 divisors, whose sum is σ = 11347944. Its totient is φ = 11347942.

The previous prime is 11347913. The next prime is 11347949. The reversal of 11347943 is 34974311.

It is a strong prime.

It is an emirp because it is prime and its reverse (34974311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11347943 - 2⁶ = 11347879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11347949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5673971 + 5673972.

It is an arithmetic number, because the mean of its divisors is an integer number (5673972).

Almost surely, 2^11347943 is an apocalyptic number.

11347943 is a deficient number, since it is larger than the sum of its proper divisors (1).

11347943 is an equidigital number, since it uses as much as digits as its factorization.

11347943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 32.

The square root of 11347943 is about 3368.6708061192. The cubic root of 11347943 is about 224.7186145005.

The spelling of 11347943 in words is "eleven million, three hundred forty-seven thousand, nine hundred forty-three".