13850866 has 8 divisors (see below), whose sum is σ = 21283164. Its totient is φ = 6756480.

The previous prime is 13850857. The next prime is 13850887. The reversal of 13850866 is 66805831.

It can be written as a sum of positive squares in 2 ways, for example, as 12215025 + 1635841 = 3495^2 + 1279^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84375 + ... + 84538.

Almost surely, 2^13850866 is an apocalyptic number.

13850866 is a deficient number, since it is larger than the sum of its proper divisors (7432298).

13850866 is a wasteful number, since it uses less digits than its factorization.

13850866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168956.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 13850866 is about 3721.6751604620. The cubic root of 13850866 is about 240.1553739276.

The spelling of 13850866 in words is "thirteen million, eight hundred fifty thousand, eight hundred sixty-six".