13839074 has 4 divisors (see below), whose sum is σ = 20758614. Its totient is φ = 6919536.

The previous prime is 13839047. The next prime is 13839083. The reversal of 13839074 is 47093831.

13839074 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, and also an emirpimes, since its reverse is a distinct semiprime: 47093831 = 67 ⋅702893.

It can be written as a sum of positive squares in only one way, i.e., 11458225 + 2380849 = 3385^2 + 1543^2 .

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3459767 + ... + 3459770.

Almost surely, 2^13839074 is an apocalyptic number.

13839074 is a deficient number, since it is larger than the sum of its proper divisors (6919540).

13839074 is an equidigital number, since it uses as much as digits as its factorization.

13839074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6919539.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 13839074 is about 3720.0905902948. The cubic root of 13839074 is about 240.0872021083.

The spelling of 13839074 in words is "thirteen million, eight hundred thirty-nine thousand, seventy-four".