12717424 has 20 divisors (see below), whose sum is σ = 24701544. Its totient is φ = 6342848.

The previous prime is 12717407. The next prime is 12717427. The reversal of 12717424 is 42471721.

It is a junction number, because it is equal to n+sod(n) for n = 12717392 and 12717401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12717427) 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, 8199 + ... + 9625.

Almost surely, 2^12717424 is an apocalyptic number.

It is an amenable number.

12717424 is a deficient number, since it is larger than the sum of its proper divisors (11984120).

12717424 is a wasteful number, since it uses less digits than its factorization.

12717424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992 (or 1986 counting only the distinct ones).

The product of its digits is 3136, while the sum is 28.

The square root of 12717424 is about 3566.1497444723. The cubic root of 12717424 is about 233.4173049242.

The spelling of 12717424 in words is "twelve million, seven hundred seventeen thousand, four hundred twenty-four".