13165073 has 4 divisors (see below), whose sum is σ = 13175988. Its totient is φ = 13154160.

The previous prime is 13165067. The next prime is 13165079. The reversal of 13165073 is 37056131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (13165067) and next prime (13165079).

It can be written as a sum of positive squares in 2 ways, for example, as 3972049 + 9193024 = 1993^2 + 3032^2 .

It is a cyclic number.

It is not a de Polignac number, because 13165073 - 2¹⁴ = 13148689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13165079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3386 + ... + 6147.

It is an arithmetic number, because the mean of its divisors is an integer number (3293997).

Almost surely, 2^13165073 is an apocalyptic number.

It is an amenable number.

13165073 is a deficient number, since it is larger than the sum of its proper divisors (10915).

13165073 is an equidigital number, since it uses as much as digits as its factorization.

13165073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10914.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 13165073 is about 3628.3705709313. The cubic root of 13165073 is about 236.1245213309.

The spelling of 13165073 in words is "thirteen million, one hundred sixty-five thousand, seventy-three".