13388628 has 24 divisors (see below), whose sum is σ = 34080480. Its totient is φ = 4057120.

The previous prime is 13388581. The next prime is 13388629. The reversal of 13388628 is 82688331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13388629) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 50583 + ... + 50846.

It is an arithmetic number, because the mean of its divisors is an integer number (1420020).

Almost surely, 2^13388628 is an apocalyptic number.

It is an amenable number.

13388628 is an abundant number, since it is smaller than the sum of its proper divisors (20691852).

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

13388628 is a wasteful number, since it uses less digits than its factorization.

13388628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101447 (or 101445 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 13388628 is about 3659.0474170199. The cubic root of 13388628 is about 237.4535635898.

The spelling of 13388628 in words is "thirteen million, three hundred eighty-eight thousand, six hundred twenty-eight".