12249712 has 20 divisors (see below), whose sum is σ = 24500416. Its totient is φ = 5927040.

The previous prime is 12249709. The next prime is 12249719. The reversal of 12249712 is 21794221.

12249712 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12249719) 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 3 ways as a sum of consecutive naturals, for example, 11853 + ... + 12844.

Almost surely, 2^12249712 is an apocalyptic number.

It is an amenable number.

12249712 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12249712 is a wasteful number, since it uses less digits than its factorization.

12249712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24736 (or 24730 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 12249712 is about 3499.9588569010. The cubic root of 12249712 is about 230.5200080505.

The spelling of 12249712 in words is "twelve million, two hundred forty-nine thousand, seven hundred twelve".