13366688 has 24 divisors (see below), whose sum is σ = 26397252. Its totient is φ = 6662656.

The previous prime is 13366687. The next prime is 13366693. The reversal of 13366688 is 88666331.

It can be written as a sum of positive squares in 2 ways, for example, as 13337104 + 29584 = 3652^2 + 172^2 .

Its product of digits (124416) is a multiple of the sum of its prime divisors (1296).

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (13366681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19406 + ... + 20082.

Almost surely, 2^13366688 is an apocalyptic number.

It is an amenable number.

13366688 is a deficient number, since it is larger than the sum of its proper divisors (13030564).

13366688 is an equidigital number, since it uses as much as digits as its factorization.

13366688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304 (or 1296 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 13366688 is about 3656.0481397268. The cubic root of 13366688 is about 237.3237872972.

The spelling of 13366688 in words is "thirteen million, three hundred sixty-six thousand, six hundred eighty-eight".