11994347 has 2 divisors, whose sum is σ = 11994348. Its totient is φ = 11994346.

The previous prime is 11994343. The next prime is 11994349. The reversal of 11994347 is 74349911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11994347 - 2² = 11994343 is a prime.

Together with 11994349, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11994347.

It is not a weakly prime, because it can be changed into another prime (11994343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5997173 + 5997174.

It is an arithmetic number, because the mean of its divisors is an integer number (5997174).

Almost surely, 2^11994347 is an apocalyptic number.

11994347 is a deficient number, since it is larger than the sum of its proper divisors (1).

11994347 is an equidigital number, since it uses as much as digits as its factorization.

11994347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 38.

The square root of 11994347 is about 3463.2855787532. The cubic root of 11994347 is about 228.9068924772.

The spelling of 11994347 in words is "eleven million, nine hundred ninety-four thousand, three hundred forty-seven".