13938773 has 4 divisors (see below), whose sum is σ = 13990860. Its totient is φ = 13886688.

The previous prime is 13938739. The next prime is 13938779. The reversal of 13938773 is 37783931.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2696164 + 11242609 = 1642^2 + 3353^2 .

It is a cyclic number.

It is not a de Polignac number, because 13938773 - 2¹⁸ = 13676629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13938773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13938779) 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, 25640 + ... + 26177.

It is an arithmetic number, because the mean of its divisors is an integer number (3497715).

Almost surely, 2^13938773 is an apocalyptic number.

It is an amenable number.

13938773 is a deficient number, since it is larger than the sum of its proper divisors (52087).

13938773 is an equidigital number, since it uses as much as digits as its factorization.

13938773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52086.

The product of its digits is 95256, while the sum is 41.

The square root of 13938773 is about 3733.4666196445. The cubic root of 13938773 is about 240.6623658845.

The spelling of 13938773 in words is "thirteen million, nine hundred thirty-eight thousand, seven hundred seventy-three".