12117003 has 8 divisors (see below), whose sum is σ = 17006400. Its totient is φ = 7652808.

The previous prime is 12116989. The next prime is 12117011. The reversal of 12117003 is 30071121.

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

It is not a de Polignac number, because 12117003 - 2⁴ = 12116987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12117043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106233 + ... + 106346.

It is an arithmetic number, because the mean of its divisors is an integer number (2125800).

Almost surely, 2^12117003 is an apocalyptic number.

12117003 is a deficient number, since it is larger than the sum of its proper divisors (4889397).

12117003 is a wasteful number, since it uses less digits than its factorization.

12117003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212601.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 12117003 is about 3480.9485776150. The cubic root of 12117003 is about 229.6845265291.

Adding to 12117003 its reverse (30071121), we get a palindrome (42188124).

The spelling of 12117003 in words is "twelve million, one hundred seventeen thousand, three".