12517424 has 10 divisors (see below), whose sum is σ = 24252540. Its totient is φ = 6258704.

The previous prime is 12517403. The next prime is 12517481. The reversal of 12517424 is 42471521.

It is a junction number, because it is equal to n+sod(n) for n = 12517393 and 12517402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391154 + ... + 391185.

It is an arithmetic number, because the mean of its divisors is an integer number (2425254).

Almost surely, 2^12517424 is an apocalyptic number.

It is an amenable number.

12517424 is a deficient number, since it is larger than the sum of its proper divisors (11735116).

12517424 is an equidigital number, since it uses as much as digits as its factorization.

12517424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782347 (or 782341 counting only the distinct ones).

The product of its digits is 2240, while the sum is 26.

The square root of 12517424 is about 3537.9971735432. The cubic root of 12517424 is about 232.1872250075.

Adding to 12517424 its reverse (42471521), we get a palindrome (54988945).

The spelling of 12517424 in words is "twelve million, five hundred seventeen thousand, four hundred twenty-four".