13769128 has 16 divisors (see below), whose sum is σ = 26074260. Its totient is φ = 6816000.

The previous prime is 13769117. The next prime is 13769131. The reversal of 13769128 is 82196731.

It can be written as a sum of positive squares in 2 ways, for example, as 10227204 + 3541924 = 3198^2 + 1882^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7713 + ... + 9328.

Almost surely, 2^13769128 is an apocalyptic number.

It is an amenable number.

13769128 is a deficient number, since it is larger than the sum of its proper divisors (12305132).

13769128 is a wasteful number, since it uses less digits than its factorization.

13769128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17148 (or 17144 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 13769128 is about 3710.6775661596. The cubic root of 13769128 is about 239.6820326262.

The spelling of 13769128 in words is "thirteen million, seven hundred sixty-nine thousand, one hundred twenty-eight".