13673689 has 2 divisors, whose sum is σ = 13673690. Its totient is φ = 13673688.

The previous prime is 13673687. The next prime is 13673701. The reversal of 13673689 is 98637631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11614464 + 2059225 = 3408^2 + 1435^2 .

It is a cyclic number.

It is not a de Polignac number, because 13673689 - 2¹ = 13673687 is a prime.

Together with 13673687, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13673687) 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, 6836844 + 6836845.

It is an arithmetic number, because the mean of its divisors is an integer number (6836845).

Almost surely, 2^13673689 is an apocalyptic number.

It is an amenable number.

13673689 is a deficient number, since it is larger than the sum of its proper divisors (1).

13673689 is an equidigital number, since it uses as much as digits as its factorization.

13673689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 43.

The square root of 13673689 is about 3697.7951538721. The cubic root of 13673689 is about 239.1269727912.

The spelling of 13673689 in words is "thirteen million, six hundred seventy-three thousand, six hundred eighty-nine".