13278108 has 12 divisors (see below), whose sum is σ = 30982280. Its totient is φ = 4426032.

The previous prime is 13278103. The next prime is 13278121. The reversal of 13278108 is 80187231.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13278103) 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, 553243 + ... + 553266.

Almost surely, 2^13278108 is an apocalyptic number.

It is an amenable number.

13278108 is an abundant number, since it is smaller than the sum of its proper divisors (17704172).

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

13278108 is a wasteful number, since it uses less digits than its factorization.

13278108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106516 (or 1106514 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 13278108 is about 3643.9138299362. The cubic root of 13278108 is about 236.7983828947.

The spelling of 13278108 in words is "thirteen million, two hundred seventy-eight thousand, one hundred eight".