12267617 has 8 divisors (see below), whose sum is σ = 12436200. Its totient is φ = 12100480.

The previous prime is 12267587. The next prime is 12267641. The reversal of 12267617 is 71676221.

It can be written as a sum of positive squares in 4 ways, for example, as 3243601 + 9024016 = 1801^2 + 3004^2 .

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 12267617 - 2⁸ = 12267361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12267677) 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, 41723 + ... + 42015.

It is an arithmetic number, because the mean of its divisors is an integer number (1554525).

Almost surely, 2^12267617 is an apocalyptic number.

It is an amenable number.

12267617 is a deficient number, since it is larger than the sum of its proper divisors (168583).

12267617 is a wasteful number, since it uses less digits than its factorization.

12267617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723.

The product of its digits is 7056, while the sum is 32.

The square root of 12267617 is about 3502.5158100999. The cubic root of 12267617 is about 230.6322678702.

The spelling of 12267617 in words is "twelve million, two hundred sixty-seven thousand, six hundred seventeen".