13784873 has 2 divisors, whose sum is σ = 13784874. Its totient is φ = 13784872.

The previous prime is 13784857. The next prime is 13784891. The reversal of 13784873 is 37848731.

13784873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13778944 + 5929 = 3712^2 + 77^2 .

It is a cyclic number.

It is not a de Polignac number, because 13784873 - 2⁴ = 13784857 is a prime.

It is a super-2 number, since 2×13784873² = 380045447252258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13784873.

It is not a weakly prime, because it can be changed into another prime (13784893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6892436 + 6892437.

It is an arithmetic number, because the mean of its divisors is an integer number (6892437).

Almost surely, 2^13784873 is an apocalyptic number.

It is an amenable number.

13784873 is a deficient number, since it is larger than the sum of its proper divisors (1).

13784873 is an equidigital number, since it uses as much as digits as its factorization.

13784873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 41.

The square root of 13784873 is about 3712.7985401850. The cubic root of 13784873 is about 239.7733566392.

The spelling of 13784873 in words is "thirteen million, seven hundred eighty-four thousand, eight hundred seventy-three".