11843047 has 2 divisors, whose sum is σ = 11843048. Its totient is φ = 11843046.

The previous prime is 11842993. The next prime is 11843053. The reversal of 11843047 is 74034811.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11843047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11843057) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5921523 + 5921524.

It is an arithmetic number, because the mean of its divisors is an integer number (5921524).

Almost surely, 2^11843047 is an apocalyptic number.

11843047 is a deficient number, since it is larger than the sum of its proper divisors (1).

11843047 is an equidigital number, since it uses as much as digits as its factorization.

11843047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 11843047 is about 3441.3728365291. The cubic root of 11843047 is about 227.9403185845.

Adding to 11843047 its reverse (74034811), we get a palindrome (85877858).

The spelling of 11843047 in words is "eleven million, eight hundred forty-three thousand, forty-seven".