12685424 has 20 divisors (see below), whose sum is σ = 24633840. Its totient is φ = 6328320.

The previous prime is 12685411. The next prime is 12685427. The reversal of 12685424 is 42458621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12685427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11789 + ... + 12819.

It is an arithmetic number, because the mean of its divisors is an integer number (1231692).

Almost surely, 2^12685424 is an apocalyptic number.

It is an amenable number.

12685424 is a deficient number, since it is larger than the sum of its proper divisors (11948416).

12685424 is a wasteful number, since it uses less digits than its factorization.

12685424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808 (or 1802 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 12685424 is about 3561.6602870010. The cubic root of 12685424 is about 233.2213630572.

The spelling of 12685424 in words is "twelve million, six hundred eighty-five thousand, four hundred twenty-four".