13866141 has 4 divisors (see below), whose sum is σ = 18488192. Its totient is φ = 9244092.

The previous prime is 13866137. The next prime is 13866173. The reversal of 13866141 is 14166831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13866141 - 2² = 13866137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13866099 and 13866108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13866191) by changing a digit.

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, 2311021 + ... + 2311026.

It is an arithmetic number, because the mean of its divisors is an integer number (4622048).

Almost surely, 2^13866141 is an apocalyptic number.

It is an amenable number.

13866141 is a deficient number, since it is larger than the sum of its proper divisors (4622051).

13866141 is an equidigital number, since it uses as much as digits as its factorization.

13866141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622050.

The product of its digits is 3456, while the sum is 30.

The square root of 13866141 is about 3723.7267622638. The cubic root of 13866141 is about 240.2436241411.

The spelling of 13866141 in words is "thirteen million, eight hundred sixty-six thousand, one hundred forty-one".