12481217 has 8 divisors (see below), whose sum is σ = 14344512. Its totient is φ = 10638000.

The previous prime is 12481211. The next prime is 12481219. The reversal of 12481217 is 71218421.

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

It is a cyclic number.

It is not a de Polignac number, because 12481217 - 2⁴ = 12481201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12481211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3659 + ... + 6192.

It is an arithmetic number, because the mean of its divisors is an integer number (1793064).

Almost surely, 2^12481217 is an apocalyptic number.

It is an amenable number.

12481217 is a deficient number, since it is larger than the sum of its proper divisors (1863295).

12481217 is an equidigital number, since it uses as much as digits as its factorization.

12481217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10039.

The product of its digits is 896, while the sum is 26.

The square root of 12481217 is about 3532.8765899759. The cubic root of 12481217 is about 231.9631394570.

Adding to 12481217 its reverse (71218421), we get a palindrome (83699638).

The spelling of 12481217 in words is "twelve million, four hundred eighty-one thousand, two hundred seventeen".