12239117 has 8 divisors (see below), whose sum is σ = 13458432. Its totient is φ = 11037600.

The previous prime is 12239093. The next prime is 12239147. The reversal of 12239117 is 71193221.

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 12239117 - 2¹⁴ = 12222733 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 (12239147) 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, 2984 + ... + 5777.

It is an arithmetic number, because the mean of its divisors is an integer number (1682304).

Almost surely, 2^12239117 is an apocalyptic number.

It is an amenable number.

12239117 is a deficient number, since it is larger than the sum of its proper divisors (1219315).

12239117 is a wasteful number, since it uses less digits than its factorization.

12239117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8899.

The product of its digits is 756, while the sum is 26.

The square root of 12239117 is about 3498.4449402556. Note that the first 3 decimals coincide. The cubic root of 12239117 is about 230.4535285563.

The spelling of 12239117 in words is "twelve million, two hundred thirty-nine thousand, one hundred seventeen".