12267712 has 28 divisors (see below), whose sum is σ = 24593296. Its totient is φ = 6071040.

The previous prime is 12267707. The next prime is 12267719. The reversal of 12267712 is 21776221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12267719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5662 + ... + 7522.

It is an arithmetic number, because the mean of its divisors is an integer number (878332).

Almost surely, 2^12267712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12267712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12296648).

12267712 is an abundant number, since it is smaller than the sum of its proper divisors (12325584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12267712 is a wasteful number, since it uses less digits than its factorization.

12267712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976 (or 1966 counting only the distinct ones).

The product of its digits is 2352, while the sum is 28.

The square root of 12267712 is about 3502.5293717541. The cubic root of 12267712 is about 230.6328632048.

It can be divided in two parts, 1226771 and 2, that multiplied together give a palindrome (2453542).

The spelling of 12267712 in words is "twelve million, two hundred sixty-seven thousand, seven hundred twelve".