12131752 has 16 divisors (see below), whose sum is σ = 22969440. Its totient is φ = 6006576.

The previous prime is 12131711. The next prime is 12131759. The reversal of 12131752 is 25713121.

It is a happy number.

12131752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12131759) 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, 6538 + ... + 8185.

It is an arithmetic number, because the mean of its divisors is an integer number (1435590).

Almost surely, 2^12131752 is an apocalyptic number.

It is an amenable number.

12131752 is a deficient number, since it is larger than the sum of its proper divisors (10837688).

12131752 is a wasteful number, since it uses less digits than its factorization.

12131752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14832 (or 14828 counting only the distinct ones).

The product of its digits is 420, while the sum is 22.

The square root of 12131752 is about 3483.0664650563. The cubic root of 12131752 is about 229.7776805740. Note that the first 3 decimals are identical.

Adding to 12131752 its reverse (25713121), we get a palindrome (37844873).

The spelling of 12131752 in words is "twelve million, one hundred thirty-one thousand, seven hundred fifty-two".