13678306 has 4 divisors (see below), whose sum is σ = 20517462. Its totient is φ = 6839152.

The previous prime is 13678289. The next prime is 13678333. The reversal of 13678306 is 60387631.

13678306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13653025 + 25281 = 3695^2 + 159^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3419575 + ... + 3419578.

Almost surely, 2^13678306 is an apocalyptic number.

13678306 is a deficient number, since it is larger than the sum of its proper divisors (6839156).

13678306 is an equidigital number, since it uses as much as digits as its factorization.

13678306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6839155.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 13678306 is about 3698.4193921187. The cubic root of 13678306 is about 239.1538839633.

The spelling of 13678306 in words is "thirteen million, six hundred seventy-eight thousand, three hundred six".