12939499 has 8 divisors (see below), whose sum is σ = 13828320. Its totient is φ = 12064896.

The previous prime is 12939491. The next prime is 12939541. The reversal of 12939499 is 99493921.

12939499 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12939499 - 2³ = 12939491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12939491) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1639 + ... + 5344.

It is an arithmetic number, because the mean of its divisors is an integer number (1728540).

Almost surely, 2^12939499 is an apocalyptic number.

12939499 is a deficient number, since it is larger than the sum of its proper divisors (888821).

12939499 is a wasteful number, since it uses less digits than its factorization.

12939499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7109.

The product of its digits is 157464, while the sum is 46.

The square root of 12939499 is about 3597.1515119605. The cubic root of 12939499 is about 234.7681370839.

The spelling of 12939499 in words is "twelve million, nine hundred thirty-nine thousand, four hundred ninety-nine".