11387866 has 8 divisors (see below), whose sum is σ = 19522080. Its totient is φ = 4880508.

The previous prime is 11387863. The next prime is 11387867. The reversal of 11387866 is 66878311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11387861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406696 + ... + 406723.

It is an arithmetic number, because the mean of its divisors is an integer number (2440260).

Almost surely, 2^11387866 is an apocalyptic number.

11387866 is a deficient number, since it is larger than the sum of its proper divisors (8134214).

11387866 is an equidigital number, since it uses as much as digits as its factorization.

11387866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813428.

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

The square root of 11387866 is about 3374.5912345053. The cubic root of 11387866 is about 224.9818322779.

The spelling of 11387866 in words is "eleven million, three hundred eighty-seven thousand, eight hundred sixty-six".