13316228 has 24 divisors (see below), whose sum is σ = 23987712. Its totient is φ = 6465024.

The previous prime is 13316213. The next prime is 13316231. The reversal of 13316228 is 82261331.

It is a junction number, because it is equal to n+sod(n) for n = 13316197 and 13316206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36101 + ... + 36467.

It is an arithmetic number, because the mean of its divisors is an integer number (999488).

Almost surely, 2^13316228 is an apocalyptic number.

It is an amenable number.

13316228 is a deficient number, since it is larger than the sum of its proper divisors (10671484).

13316228 is a wasteful number, since it uses less digits than its factorization.

13316228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 609 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 13316228 is about 3649.1407207725. The cubic root of 13316228 is about 237.0247738291.

Adding to 13316228 its reverse (82261331), we get a palindrome (95577559).

It can be divided in two parts, 133 and 16228, that added together give a palindrome (16361).

The spelling of 13316228 in words is "thirteen million, three hundred sixteen thousand, two hundred twenty-eight".