12927939 has 16 divisors (see below), whose sum is σ = 18882720. Its totient is φ = 7831040.

The previous prime is 12927931. The next prime is 12927947. The reversal of 12927939 is 93972921.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12927931) and next prime (12927947).

It is a cyclic number.

It is not a de Polignac number, because 12927939 - 2³ = 12927931 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 12927939.

It is not an unprimeable number, because it can be changed into a prime (12927931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2892 + ... + 5849.

It is an arithmetic number, because the mean of its divisors is an integer number (1180170).

Almost surely, 2^12927939 is an apocalyptic number.

12927939 is a deficient number, since it is larger than the sum of its proper divisors (5954781).

12927939 is a wasteful number, since it uses less digits than its factorization.

12927939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8790.

The product of its digits is 61236, while the sum is 42.

The square root of 12927939 is about 3595.5443259679. The cubic root of 12927939 is about 234.6982032000.

The spelling of 12927939 in words is "twelve million, nine hundred twenty-seven thousand, nine hundred thirty-nine".