13810837 has 2 divisors, whose sum is σ = 13810838. Its totient is φ = 13810836.

The previous prime is 13810831. The next prime is 13810847. The reversal of 13810837 is 73801831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13242321 + 568516 = 3639^2 + 754^2 .

It is an emirp because it is prime and its reverse (73801831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13810837 - 2¹⁹ = 13286549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13810799 and 13810808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13810831) 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, 6905418 + 6905419.

It is an arithmetic number, because the mean of its divisors is an integer number (6905419).

Almost surely, 2^13810837 is an apocalyptic number.

It is an amenable number.

13810837 is a deficient number, since it is larger than the sum of its proper divisors (1).

13810837 is an equidigital number, since it uses as much as digits as its factorization.

13810837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 13810837 is about 3716.2934491237. The cubic root of 13810837 is about 239.9238010412.

The spelling of 13810837 in words is "thirteen million, eight hundred ten thousand, eight hundred thirty-seven".