13756228 has 12 divisors (see below), whose sum is σ = 25340560. Its totient is φ = 6516072.

The previous prime is 13756217. The next prime is 13756243. The reversal of 13756228 is 82265731.

It is a happy number.

13756228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13756193 and 13756202.

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, 90426 + ... + 90577.

Almost surely, 2^13756228 is an apocalyptic number.

It is an amenable number.

13756228 is a deficient number, since it is larger than the sum of its proper divisors (11584332).

13756228 is a wasteful number, since it uses less digits than its factorization.

13756228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181026 (or 181024 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 13756228 is about 3708.9389318240. The cubic root of 13756228 is about 239.6071582575.

It can be divided in two parts, 137 and 56228, that added together give a palindrome (56365).

The spelling of 13756228 in words is "thirteen million, seven hundred fifty-six thousand, two hundred twenty-eight".