11671147 has 2 divisors, whose sum is σ = 11671148. Its totient is φ = 11671146.

The previous prime is 11671123. The next prime is 11671171. The reversal of 11671147 is 74117611.

11671147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (11671123) and next prime (11671171).

It is a cyclic number.

It is not a de Polignac number, because 11671147 - 2¹⁹ = 11146859 is a prime.

It is not a weakly prime, because it can be changed into another prime (11671117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5835573 + 5835574.

It is an arithmetic number, because the mean of its divisors is an integer number (5835574).

Almost surely, 2^11671147 is an apocalyptic number.

11671147 is a deficient number, since it is larger than the sum of its proper divisors (1).

11671147 is an equidigital number, since it uses as much as digits as its factorization.

11671147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1176, while the sum is 28.

The square root of 11671147 is about 3416.3060460093. The cubic root of 11671147 is about 226.8320997691.

Adding to 11671147 its reverse (74117611), we get a palindrome (85788758).

The spelling of 11671147 in words is "eleven million, six hundred seventy-one thousand, one hundred forty-seven".