13788473 has 4 divisors (see below), whose sum is σ = 13804068. Its totient is φ = 13772880.

The previous prime is 13788469. The next prime is 13788487. The reversal of 13788473 is 37488731.

13788473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9935104 + 3853369 = 3152^2 + 1963^2 .

It is a cyclic number.

It is not a de Polignac number, because 13788473 - 2² = 13788469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13788473.

It is not an unprimeable number, because it can be changed into a prime (13788403) 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, 6386 + ... + 8267.

It is an arithmetic number, because the mean of its divisors is an integer number (3451017).

Almost surely, 2^13788473 is an apocalyptic number.

It is an amenable number.

13788473 is a deficient number, since it is larger than the sum of its proper divisors (15595).

13788473 is an equidigital number, since it uses as much as digits as its factorization.

13788473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15594.

The product of its digits is 112896, while the sum is 41.

The square root of 13788473 is about 3713.2833180354. The cubic root of 13788473 is about 239.7942275594.

The spelling of 13788473 in words is "thirteen million, seven hundred eighty-eight thousand, four hundred seventy-three".