13698173 has 2 divisors, whose sum is σ = 13698174. Its totient is φ = 13698172.

The previous prime is 13698163. The next prime is 13698193. The reversal of 13698173 is 37189631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8508889 + 5189284 = 2917^2 + 2278^2 .

It is a cyclic number.

It is not a de Polignac number, because 13698173 - 2⁶ = 13698109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13698143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6849086 + 6849087.

It is an arithmetic number, because the mean of its divisors is an integer number (6849087).

Almost surely, 2^13698173 is an apocalyptic number.

It is an amenable number.

13698173 is a deficient number, since it is larger than the sum of its proper divisors (1).

13698173 is an equidigital number, since it uses as much as digits as its factorization.

13698173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 38.

The square root of 13698173 is about 3701.1042946667. The cubic root of 13698173 is about 239.2696139800.

It can be divided in two parts, 136 and 98173, that multiplied together give a triangular number (13351528 = T₅₁₆₇).

The spelling of 13698173 in words is "thirteen million, six hundred ninety-eight thousand, one hundred seventy-three".