12303117 has 16 divisors (see below), whose sum is σ = 18652480. Its totient is φ = 8010576.

The previous prime is 12303107. The next prime is 12303131. The reversal of 12303117 is 71130321.

It is not a de Polignac number, because 12303117 - 2¹⁶ = 12237581 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12303117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4138 + ... + 6459.

It is an arithmetic number, because the mean of its divisors is an integer number (1165780).

Almost surely, 2^12303117 is an apocalyptic number.

It is an amenable number.

12303117 is a deficient number, since it is larger than the sum of its proper divisors (6349363).

12303117 is a wasteful number, since it uses less digits than its factorization.

12303117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10649 (or 10643 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 12303117 is about 3507.5799349409. The cubic root of 12303117 is about 230.8545213195.

Adding to 12303117 its reverse (71130321), we get a palindrome (83433438).

The spelling of 12303117 in words is "twelve million, three hundred three thousand, one hundred seventeen".