12858039 has 6 divisors (see below), whose sum is σ = 18572736. Its totient is φ = 8572020.

The previous prime is 12858017. The next prime is 12858061. The reversal of 12858039 is 93085821.

12858039 is digitally balanced in base 2, 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 (12858017) and next prime (12858061).

It is not a de Polignac number, because 12858039 - 2¹⁵ = 12825271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12857994 and 12858012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12850039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 714327 + ... + 714344.

It is an arithmetic number, because the mean of its divisors is an integer number (3095456).

Almost surely, 2^12858039 is an apocalyptic number.

12858039 is a deficient number, since it is larger than the sum of its proper divisors (5714697).

12858039 is a wasteful number, since it uses less digits than its factorization.

12858039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428677 (or 1428674 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 12858039 is about 3585.8107869769. The cubic root of 12858039 is about 234.2744424090.

The spelling of 12858039 in words is "twelve million, eight hundred fifty-eight thousand, thirty-nine".