13728853 has 4 divisors (see below), whose sum is σ = 13736268. Its totient is φ = 13721440.

The previous prime is 13728823. The next prime is 13728881. The reversal of 13728853 is 35882731.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35882731 = 241 ⋅148891.

It can be written as a sum of positive squares in 2 ways, for example, as 8720209 + 5008644 = 2953^2 + 2238^2 .

It is a cyclic number.

It is not a de Polignac number, because 13728853 - 2⁵ = 13728821 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 (13728823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1683 + ... + 5503.

It is an arithmetic number, because the mean of its divisors is an integer number (3434067).

Almost surely, 2^13728853 is an apocalyptic number.

It is an amenable number.

13728853 is a deficient number, since it is larger than the sum of its proper divisors (7415).

13728853 is an equidigital number, since it uses as much as digits as its factorization.

13728853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7414.

The product of its digits is 40320, while the sum is 37.

The square root of 13728853 is about 3705.2466854448. The cubic root of 13728853 is about 239.4481126781.

The spelling of 13728853 in words is "thirteen million, seven hundred twenty-eight thousand, eight hundred fifty-three".