12680439 has 8 divisors (see below), whose sum is σ = 17319792. Its totient is φ = 8247360.

The previous prime is 12680431. The next prime is 12680441. The reversal of 12680439 is 93408621.

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

It is not a de Polignac number, because 12680439 - 2³ = 12680431 is a prime.

It is a super-3 number, since 3×12680439³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12680431) 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, 51424 + ... + 51669.

It is an arithmetic number, because the mean of its divisors is an integer number (2164974).

Almost surely, 2^12680439 is an apocalyptic number.

12680439 is a deficient number, since it is larger than the sum of its proper divisors (4639353).

12680439 is a wasteful number, since it uses less digits than its factorization.

12680439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103137.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 12680439 is about 3560.9604041607. The cubic root of 12680439 is about 233.1908093335.

The spelling of 12680439 in words is "twelve million, six hundred eighty thousand, four hundred thirty-nine".