13316628 has 24 divisors (see below), whose sum is σ = 33462688. Its totient is φ = 4097376.

The previous prime is 13316623. The next prime is 13316647. The reversal of 13316628 is 82661331.

It is a junction number, because it is equal to n+sod(n) for n = 13316595 and 13316604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13316623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42526 + ... + 42837.

Almost surely, 2^13316628 is an apocalyptic number.

It is an amenable number.

13316628 is an abundant number, since it is smaller than the sum of its proper divisors (20146060).

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

13316628 is a wasteful number, since it uses less digits than its factorization.

13316628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85383 (or 85381 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 13316628 is about 3649.1955277842. The cubic root of 13316628 is about 237.0271470977.

Adding to 13316628 its reverse (82661331), we get a palindrome (95977959).

It can be divided in two parts, 133 and 16628, that added together give a palindrome (16761).

The spelling of 13316628 in words is "thirteen million, three hundred sixteen thousand, six hundred twenty-eight".