12117267 has 6 divisors (see below), whose sum is σ = 17502732. Its totient is φ = 8078172.

The previous prime is 12117247. The next prime is 12117283. The reversal of 12117267 is 76271121.

12117267 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12117267 - 2⁸ = 12117011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12117267.

It is not an unprimeable number, because it can be changed into a prime (12117247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 673173 + ... + 673190.

It is an arithmetic number, because the mean of its divisors is an integer number (2917122).

Almost surely, 2^12117267 is an apocalyptic number.

12117267 is a deficient number, since it is larger than the sum of its proper divisors (5385465).

12117267 is a wasteful number, since it uses less digits than its factorization.

12117267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346369 (or 1346366 counting only the distinct ones).

The product of its digits is 1176, while the sum is 27.

The square root of 12117267 is about 3480.9864981065. The cubic root of 12117267 is about 229.6861946059.

Adding to 12117267 its reverse (76271121), we get a palindrome (88388388).

The spelling of 12117267 in words is "twelve million, one hundred seventeen thousand, two hundred sixty-seven".