13704128 has 28 divisors (see below), whose sum is σ = 27340560. Its totient is φ = 6815232.

The previous prime is 13704121. The next prime is 13704137. The reversal of 13704128 is 82140731.

It is a junction number, because it is equal to n+sod(n) for n = 13704097 and 13704106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13704121) 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, 14453 + ... + 15371.

Almost surely, 2^13704128 is an apocalyptic number.

It is an amenable number.

13704128 is a deficient number, since it is larger than the sum of its proper divisors (13636432).

13704128 is an equidigital number, since it uses as much as digits as its factorization.

13704128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164 (or 1154 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 13704128 is about 3701.9086968752. The cubic root of 13704128 is about 239.3042814773.

Adding to 13704128 its reverse (82140731), we get a palindrome (95844859).

The spelling of 13704128 in words is "thirteen million, seven hundred four thousand, one hundred twenty-eight".