12611117 has 8 divisors (see below), whose sum is σ = 13634400. Its totient is φ = 11623824.

The previous prime is 12611111. The next prime is 12611167. The reversal of 12611117 is 71111621.

It is a happy number.

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 12611117 - 2⁴ = 12611101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12611111) 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, 8267 + ... + 9672.

It is an arithmetic number, because the mean of its divisors is an integer number (1704300).

Almost surely, 2^12611117 is an apocalyptic number.

It is an amenable number.

12611117 is a deficient number, since it is larger than the sum of its proper divisors (1023283).

12611117 is a wasteful number, since it uses less digits than its factorization.

12611117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17995.

The product of its digits is 84, while the sum is 20.

The square root of 12611117 is about 3551.2134545814. The cubic root of 12611117 is about 232.7650932437.

Adding to 12611117 its reverse (71111621), we get a palindrome (83722738).

The spelling of 12611117 in words is "twelve million, six hundred eleven thousand, one hundred seventeen".