12245712 has 80 divisors (see below), whose sum is σ = 34372800. Its totient is φ = 3741696.

The previous prime is 12245707. The next prime is 12245719. The reversal of 12245712 is 21754221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12245719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34914 + ... + 35262.

It is an arithmetic number, because the mean of its divisors is an integer number (429660).

Almost surely, 2^12245712 is an apocalyptic number.

12245712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12245712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17186400).

12245712 is an abundant number, since it is smaller than the sum of its proper divisors (22127088).

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

12245712 is a wasteful number, since it uses less digits than its factorization.

12245712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 414 counting only the distinct ones).

The product of its digits is 1120, while the sum is 24.

The square root of 12245712 is about 3499.3873749558. The cubic root of 12245712 is about 230.4949141159.

Adding to 12245712 its reverse (21754221), we get a palindrome (33999933).

The spelling of 12245712 in words is "twelve million, two hundred forty-five thousand, seven hundred twelve".