11806147 has 2 divisors, whose sum is σ = 11806148. Its totient is φ = 11806146.

The previous prime is 11806139. The next prime is 11806189. The reversal of 11806147 is 74160811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11806147 - 2³ = 11806139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11806547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5903073 + 5903074.

It is an arithmetic number, because the mean of its divisors is an integer number (5903074).

Almost surely, 2^11806147 is an apocalyptic number.

11806147 is a deficient number, since it is larger than the sum of its proper divisors (1).

11806147 is an equidigital number, since it uses as much as digits as its factorization.

11806147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 11806147 is about 3436.0074214122. The cubic root of 11806147 is about 227.7033371040.

Adding to 11806147 its reverse (74160811), we get a palindrome (85966958).

The spelling of 11806147 in words is "eleven million, eight hundred six thousand, one hundred forty-seven".