12403417 has 12 divisors (see below), whose sum is σ = 14019264. Its totient is φ = 10948080.

The previous prime is 12403397. The next prime is 12403423. The reversal of 12403417 is 71430421.

It is not a de Polignac number, because 12403417 - 2¹¹ = 12401369 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12404417) 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 11 ways as a sum of consecutive naturals, for example, 2292 + ... + 5482.

It is an arithmetic number, because the mean of its divisors is an integer number (1168272).

Almost surely, 2^12403417 is an apocalyptic number.

It is an amenable number.

12403417 is a deficient number, since it is larger than the sum of its proper divisors (1615847).

12403417 is a wasteful number, since it uses less digits than its factorization.

12403417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240 (or 3227 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 12403417 is about 3521.8485203086. The cubic root of 12403417 is about 231.4801641204.

Adding to 12403417 its reverse (71430421), we get a palindrome (83833838).

The spelling of 12403417 in words is "twelve million, four hundred three thousand, four hundred seventeen".