13732228 has 12 divisors (see below), whose sum is σ = 24062220. Its totient is φ = 6857312.

The previous prime is 13732211. The next prime is 13732237. The reversal of 13732228 is 82223731.

It can be written as a sum of positive squares in 2 ways, for example, as 5992704 + 7739524 = 2448^2 + 2782^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13732196 and 13732205.

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, 2358 + ... + 5746.

It is an arithmetic number, because the mean of its divisors is an integer number (2005185).

Almost surely, 2^13732228 is an apocalyptic number.

It is an amenable number.

13732228 is a deficient number, since it is larger than the sum of its proper divisors (10329992).

13732228 is a wasteful number, since it uses less digits than its factorization.

13732228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4406 (or 4404 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 13732228 is about 3705.7020927214. The cubic root of 13732228 is about 239.4677324566.

Adding to 13732228 its reverse (82223731), we get a palindrome (95955959).

The spelling of 13732228 in words is "thirteen million, seven hundred thirty-two thousand, two hundred twenty-eight".