11726843 has 2 divisors, whose sum is σ = 11726844. Its totient is φ = 11726842.

The previous prime is 11726783. The next prime is 11726863. The reversal of 11726843 is 34862711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11726843 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11726863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5863421 + 5863422.

It is an arithmetic number, because the mean of its divisors is an integer number (5863422).

Almost surely, 2^11726843 is an apocalyptic number.

11726843 is a deficient number, since it is larger than the sum of its proper divisors (1).

11726843 is an equidigital number, since it uses as much as digits as its factorization.

11726843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 32.

The square root of 11726843 is about 3424.4478387033. The cubic root of 11726843 is about 227.1923499189.

The spelling of 11726843 in words is "eleven million, seven hundred twenty-six thousand, eight hundred forty-three".