12839994 has 24 divisors (see below), whose sum is σ = 27911520. Its totient is φ = 4265928.

The previous prime is 12839989. The next prime is 12840001. The reversal of 12839994 is 49993821.

It is a Curzon number.

It is a zygodrome in base 3.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5469 + ... + 7455.

It is an arithmetic number, because the mean of its divisors is an integer number (1162980).

Almost surely, 2^12839994 is an apocalyptic number.

12839994 is an abundant number, since it is smaller than the sum of its proper divisors (15071526).

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

12839994 is a wasteful number, since it uses less digits than its factorization.

12839994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354 (or 2351 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 12839994 is about 3583.2937362153. The cubic root of 12839994 is about 234.1647973464.

It can be divided in two parts, 1283999 and 4, that added together give a triangular number (1284003 = T₁₆₀₂).

The spelling of 12839994 in words is "twelve million, eight hundred thirty-nine thousand, nine hundred ninety-four".