13678312 has 8 divisors (see below), whose sum is σ = 25646850. Its totient is φ = 6839152.

The previous prime is 13678289. The next prime is 13678333. The reversal of 13678312 is 21387631.

13678312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9326916 + 4351396 = 3054^2 + 2086^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 854887 + ... + 854902.

Almost surely, 2^13678312 is an apocalyptic number.

It is an amenable number.

13678312 is a deficient number, since it is larger than the sum of its proper divisors (11968538).

13678312 is a wasteful number, since it uses less digits than its factorization.

13678312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709795 (or 1709791 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 13678312 is about 3698.4202032760. The cubic root of 13678312 is about 239.1539189316.

The spelling of 13678312 in words is "thirteen million, six hundred seventy-eight thousand, three hundred twelve".