13748128 has 24 divisors (see below), whose sum is σ = 27941760. Its totient is φ = 6651840.

The previous prime is 13748099. The next prime is 13748149. The reversal of 13748128 is 82184731.

It is a happy number.

It is a super-2 number, since 2×13748128² = 378022047008768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13748093 and 13748102.

It is an unprimeable number.

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, 5938 + ... + 7921.

It is an arithmetic number, because the mean of its divisors is an integer number (1164240).

Almost surely, 2^13748128 is an apocalyptic number.

It is an amenable number.

13748128 is an abundant number, since it is smaller than the sum of its proper divisors (14193632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13748128 is a wasteful number, since it uses less digits than its factorization.

13748128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13900 (or 13892 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 13748128 is about 3707.8468145273. The cubic root of 13748128 is about 239.5601201925.

The spelling of 13748128 in words is "thirteen million, seven hundred forty-eight thousand, one hundred twenty-eight".