12013117 has 2 divisors, whose sum is σ = 12013118. Its totient is φ = 12013116.

The previous prime is 12013109. The next prime is 12013189. The reversal of 12013117 is 71131021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11978521 + 34596 = 3461^2 + 186^2 .

It is a cyclic number.

It is not a de Polignac number, because 12013117 - 2³ = 12013109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12013117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12013517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006558 + 6006559.

It is an arithmetic number, because the mean of its divisors is an integer number (6006559).

Almost surely, 2^12013117 is an apocalyptic number.

It is an amenable number.

12013117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12013117 is an equidigital number, since it uses as much as digits as its factorization.

12013117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 12013117 is about 3465.9943739135. The cubic root of 12013117 is about 229.0262360055.

Adding to 12013117 its reverse (71131021), we get a palindrome (83144138).

The spelling of 12013117 in words is "twelve million, thirteen thousand, one hundred seventeen".