13853837 has 4 divisors (see below), whose sum is σ = 13942236. Its totient is φ = 13765440.

The previous prime is 13853821. The next prime is 13853881. The reversal of 13853837 is 73835831.

It is a happy number.

13853837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9647236 + 4206601 = 3106^2 + 2051^2 .

It is a cyclic number.

It is not a de Polignac number, because 13853837 - 2⁴ = 13853821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13853837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13853887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43964 + ... + 44277.

It is an arithmetic number, because the mean of its divisors is an integer number (3485559).

Almost surely, 2^13853837 is an apocalyptic number.

It is an amenable number.

13853837 is a deficient number, since it is larger than the sum of its proper divisors (88399).

13853837 is an equidigital number, since it uses as much as digits as its factorization.

13853837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88398.

The product of its digits is 60480, while the sum is 38.

The square root of 13853837 is about 3722.0742872758. The cubic root of 13853837 is about 240.1725437471.

The spelling of 13853837 in words is "thirteen million, eight hundred fifty-three thousand, eight hundred thirty-seven".