12217383 has 12 divisors (see below), whose sum is σ = 17911608. Its totient is φ = 8022960.

The previous prime is 12217333. The next prime is 12217391. The reversal of 12217383 is 38371221.

It is not a de Polignac number, because 12217383 - 2¹⁰ = 12216359 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12217313) 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, 9528 + ... + 10733.

It is an arithmetic number, because the mean of its divisors is an integer number (1492634).

Almost surely, 2^12217383 is an apocalyptic number.

12217383 is a deficient number, since it is larger than the sum of its proper divisors (5694225).

12217383 is a wasteful number, since it uses less digits than its factorization.

12217383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20334 (or 20331 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 12217383 is about 3495.3373227773. The cubic root of 12217383 is about 230.3170360112.

The spelling of 12217383 in words is "twelve million, two hundred seventeen thousand, three hundred eighty-three".