13898173 has 2 divisors, whose sum is σ = 13898174. Its totient is φ = 13898172.

The previous prime is 13898167. The next prime is 13898189. The reversal of 13898173 is 37189831.

13898173 is digitally balanced in base 2 and base 3, because in such bases 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., 13155129 + 743044 = 3627^2 + 862^2 .

It is a cyclic number.

It is not a de Polignac number, because 13898173 - 2⁹ = 13897661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13898113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6949086 + 6949087.

It is an arithmetic number, because the mean of its divisors is an integer number (6949087).

Almost surely, 2^13898173 is an apocalyptic number.

It is an amenable number.

13898173 is a deficient number, since it is larger than the sum of its proper divisors (1).

13898173 is an equidigital number, since it uses as much as digits as its factorization.

13898173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 40.

The square root of 13898173 is about 3728.0253486263. The cubic root of 13898173 is about 240.4284764759.

The spelling of 13898173 in words is "thirteen million, eight hundred ninety-eight thousand, one hundred seventy-three".