12828739 has 12 divisors (see below), whose sum is σ = 16280568. Its totient is φ = 9996000.

The previous prime is 12828721. The next prime is 12828757. The reversal of 12828739 is 93782821.

12828739 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12828721) and next prime (12828757).

It is not a de Polignac number, because 12828739 - 2⁵ = 12828707 is a prime.

It is a super-3 number, since 3×12828739³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12828709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11362 + ... + 12439.

It is an arithmetic number, because the mean of its divisors is an integer number (1356714).

Almost surely, 2^12828739 is an apocalyptic number.

12828739 is a deficient number, since it is larger than the sum of its proper divisors (3451829).

12828739 is a wasteful number, since it uses less digits than its factorization.

12828739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23826 (or 23819 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 12828739 is about 3581.7229094390. The cubic root of 12828739 is about 234.0963576666.

The spelling of 12828739 in words is "twelve million, eight hundred twenty-eight thousand, seven hundred thirty-nine".