12907839 has 8 divisors (see below), whose sum is σ = 19669120. Its totient is φ = 7375896.

The previous prime is 12907837. The next prime is 12907841. The reversal of 12907839 is 93870921.

It is an interprime number because it is at equal distance from previous prime (12907837) and next prime (12907841).

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

It is not a de Polignac number, because 12907839 - 2¹ = 12907837 is a prime.

It is a super-2 number, since 2×12907839² = 333224615299842, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12907797 and 12907806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12907837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307309 + ... + 307350.

It is an arithmetic number, because the mean of its divisors is an integer number (2458640).

Almost surely, 2^12907839 is an apocalyptic number.

12907839 is a deficient number, since it is larger than the sum of its proper divisors (6761281).

12907839 is an equidigital number, since it uses as much as digits as its factorization.

12907839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614669.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 12907839 is about 3592.7481125178. The cubic root of 12907839 is about 234.5765060282.

The spelling of 12907839 in words is "twelve million, nine hundred seven thousand, eight hundred thirty-nine".