13861868 has 24 divisors (see below), whose sum is σ = 27039600. Its totient is φ = 6179328.

The previous prime is 13861853. The next prime is 13861877. The reversal of 13861868 is 86816831.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 4073 + ... + 6656.

It is an arithmetic number, because the mean of its divisors is an integer number (1126650).

Almost surely, 2^13861868 is an apocalyptic number.

It is an amenable number.

13861868 is a deficient number, since it is larger than the sum of its proper divisors (13177732).

13861868 is a wasteful number, since it uses less digits than its factorization.

13861868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10769 (or 10767 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 13861868 is about 3723.1529648941. The cubic root of 13861868 is about 240.2189437230.

The spelling of 13861868 in words is "thirteen million, eight hundred sixty-one thousand, eight hundred sixty-eight".