11387686 has 12 divisors (see below), whose sum is σ = 17418492. Its totient is φ = 5583656.

The previous prime is 11387617. The next prime is 11387687. The reversal of 11387686 is 68678311.

11387686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11387687) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4605 + ... + 6631.

It is an arithmetic number, because the mean of its divisors is an integer number (1451541).

Almost surely, 2^11387686 is an apocalyptic number.

11387686 is a deficient number, since it is larger than the sum of its proper divisors (6030806).

11387686 is an equidigital number, since it uses as much as digits as its factorization.

11387686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135 (or 2082 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 11387686 is about 3374.5645645031. The cubic root of 11387686 is about 224.9806468951.

The spelling of 11387686 in words is "eleven million, three hundred eighty-seven thousand, six hundred eighty-six".