14213861 has 2 divisors, whose sum is σ = 14213862. Its totient is φ = 14213860.

The previous prime is 14213827. The next prime is 14213863. The reversal of 14213861 is 16831241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14212900 + 961 = 3770^2 + 31^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14213861 is a prime.

Together with 14213863, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14213861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14213863) 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 as a sum of consecutive naturals, namely, 7106930 + 7106931.

It is an arithmetic number, because the mean of its divisors is an integer number (7106931).

Almost surely, 2^14213861 is an apocalyptic number.

It is an amenable number.

14213861 is a deficient number, since it is larger than the sum of its proper divisors (1).

14213861 is an equidigital number, since it uses as much as digits as its factorization.

14213861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 26.

The square root of 14213861 is about 3770.1274514265. The cubic root of 14213861 is about 242.2352571877.

The spelling of 14213861 in words is "fourteen million, two hundred thirteen thousand, eight hundred sixty-one".