13578268 has 12 divisors (see below), whose sum is σ = 25922232. Its totient is φ = 6171920.

The previous prime is 13578259. The next prime is 13578277. The reversal of 13578268 is 86287531.

It is an interprime number because it is at equal distance from previous prime (13578259) and next prime (13578277).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 13578268.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 154255 + ... + 154342.

It is an arithmetic number, because the mean of its divisors is an integer number (2160186).

Almost surely, 2^13578268 is an apocalyptic number.

It is an amenable number.

13578268 is a deficient number, since it is larger than the sum of its proper divisors (12343964).

13578268 is a wasteful number, since it uses less digits than its factorization.

13578268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308612 (or 308610 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 13578268 is about 3684.8701469658. The cubic root of 13578268 is about 238.5694295416.

The spelling of 13578268 in words is "thirteen million, five hundred seventy-eight thousand, two hundred sixty-eight".