13266973 has 4 divisors (see below), whose sum is σ = 13298908. Its totient is φ = 13235040.

The previous prime is 13266937. The next prime is 13267031. The reversal of 13266973 is 37966231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37966231 = 5659 ⋅6709.

It can be written as a sum of positive squares in 2 ways, for example, as 39204 + 13227769 = 198^2 + 3637^2 .

It is a cyclic number.

It is not a de Polignac number, because 13266973 - 2¹³ = 13258781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13266923) 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 in 3 ways as a sum of consecutive naturals, for example, 15336 + ... + 16177.

It is an arithmetic number, because the mean of its divisors is an integer number (3324727).

Almost surely, 2^13266973 is an apocalyptic number.

It is an amenable number.

13266973 is a deficient number, since it is larger than the sum of its proper divisors (31935).

13266973 is an equidigital number, since it uses as much as digits as its factorization.

13266973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31934.

The product of its digits is 40824, while the sum is 37.

The square root of 13266973 is about 3642.3856193435. The cubic root of 13266973 is about 236.7321714687.

The spelling of 13266973 in words is "thirteen million, two hundred sixty-six thousand, nine hundred seventy-three".