13843853 has 2 divisors, whose sum is σ = 13843854. Its totient is φ = 13843852.

The previous prime is 13843813. The next prime is 13843877. The reversal of 13843853 is 35834831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7382089 + 6461764 = 2717^2 + 2542^2 .

It is an emirp because it is prime and its reverse (35834831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13843853 - 2¹⁴ = 13827469 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13843813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6921926 + 6921927.

It is an arithmetic number, because the mean of its divisors is an integer number (6921927).

Almost surely, 2^13843853 is an apocalyptic number.

It is an amenable number.

13843853 is a deficient number, since it is larger than the sum of its proper divisors (1).

13843853 is an equidigital number, since it uses as much as digits as its factorization.

13843853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 35.

The square root of 13843853 is about 3720.7328579193. The cubic root of 13843853 is about 240.1148350913.

The spelling of 13843853 in words is "thirteen million, eight hundred forty-three thousand, eight hundred fifty-three".