13288668 has 12 divisors (see below), whose sum is σ = 31006920. Its totient is φ = 4429552.

The previous prime is 13288631. The next prime is 13288673. The reversal of 13288668 is 86688231.

13288668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 553683 + ... + 553706.

It is an arithmetic number, because the mean of its divisors is an integer number (2583910).

Almost surely, 2^13288668 is an apocalyptic number.

It is an amenable number.

13288668 is an abundant number, since it is smaller than the sum of its proper divisors (17718252).

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

13288668 is a wasteful number, since it uses less digits than its factorization.

13288668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107396 (or 1107394 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 13288668 is about 3645.3625334115. The cubic root of 13288668 is about 236.8611410405.

The spelling of 13288668 in words is "thirteen million, two hundred eighty-eight thousand, six hundred sixty-eight".