13839473 has 2 divisors, whose sum is σ = 13839474. Its totient is φ = 13839472.

The previous prime is 13839461. The next prime is 13839493. The reversal of 13839473 is 37493831.

13839473 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., 7997584 + 5841889 = 2828^2 + 2417^2 .

It is a cyclic number.

It is not a de Polignac number, because 13839473 - 2¹⁰ = 13838449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13839433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6919736 + 6919737.

It is an arithmetic number, because the mean of its divisors is an integer number (6919737).

Almost surely, 2^13839473 is an apocalyptic number.

It is an amenable number.

13839473 is a deficient number, since it is larger than the sum of its proper divisors (1).

13839473 is an equidigital number, since it uses as much as digits as its factorization.

13839473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 38.

The square root of 13839473 is about 3720.1442176346. The cubic root of 13839473 is about 240.0895094368.

The spelling of 13839473 in words is "thirteen million, eight hundred thirty-nine thousand, four hundred seventy-three".