11144647 has 2 divisors, whose sum is σ = 11144648. Its totient is φ = 11144646.

The previous prime is 11144633. The next prime is 11144663. The reversal of 11144647 is 74644111.

11144647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (74644111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11144647 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11144677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5572323 + 5572324.

It is an arithmetic number, because the mean of its divisors is an integer number (5572324).

Almost surely, 2^11144647 is an apocalyptic number.

11144647 is a deficient number, since it is larger than the sum of its proper divisors (1).

11144647 is an equidigital number, since it uses as much as digits as its factorization.

11144647 is an evil number, because the sum of its binary digits is even.

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

The square root of 11144647 is about 3338.3599266706. The cubic root of 11144647 is about 223.3685914978.

Adding to 11144647 its reverse (74644111), we get a palindrome (85788758).

The spelling of 11144647 in words is "eleven million, one hundred forty-four thousand, six hundred forty-seven".