13823837 has 2 divisors, whose sum is σ = 13823838. Its totient is φ = 13823836.

The previous prime is 13823827. The next prime is 13823863. The reversal of 13823837 is 73832831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13734436 + 89401 = 3706^2 + 299^2 .

It is a cyclic number.

It is not a de Polignac number, because 13823837 - 2⁸ = 13823581 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13823797 and 13823806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13823827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6911918 + 6911919.

It is an arithmetic number, because the mean of its divisors is an integer number (6911919).

Almost surely, 2^13823837 is an apocalyptic number.

It is an amenable number.

13823837 is a deficient number, since it is larger than the sum of its proper divisors (1).

13823837 is an equidigital number, since it uses as much as digits as its factorization.

13823837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 13823837 is about 3718.0420922846. The cubic root of 13823837 is about 239.9990567093. Note that the first 3 decimals are identical.

The spelling of 13823837 in words is "thirteen million, eight hundred twenty-three thousand, eight hundred thirty-seven".