11886647 has 8 divisors (see below), whose sum is σ = 12554160. Its totient is φ = 11254536.

The previous prime is 11886631. The next prime is 11886649. The reversal of 11886647 is 74668811.

11886647 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11886647 - 2⁴ = 11886631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11886649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5993 + ... + 7725.

It is an arithmetic number, because the mean of its divisors is an integer number (1569270).

Almost surely, 2^11886647 is an apocalyptic number.

11886647 is a deficient number, since it is larger than the sum of its proper divisors (667513).

11886647 is an frugal number, since it uses more digits than its factorization.

11886647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790 (or 1752 counting only the distinct ones).

The product of its digits is 64512, while the sum is 41.

The square root of 11886647 is about 3447.7016982332. The cubic root of 11886647 is about 228.2196956457.

The spelling of 11886647 in words is "eleven million, eight hundred eighty-six thousand, six hundred forty-seven".