12131274 has 8 divisors (see below), whose sum is σ = 24262560. Its totient is φ = 4043756.

The previous prime is 12131269. The next prime is 12131293. The reversal of 12131274 is 47213121.

It is a sphenic number, since it is the product of 3 distinct primes.

12131274 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12131274.

It is an unprimeable number.

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, 1010934 + ... + 1010945.

It is an arithmetic number, because the mean of its divisors is an integer number (3032820).

Almost surely, 2^12131274 is an apocalyptic number.

12131274 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.

12131274 is a wasteful number, since it uses less digits than its factorization.

12131274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021884.

The product of its digits is 336, while the sum is 21.

The square root of 12131274 is about 3482.9978466832. The cubic root of 12131274 is about 229.7746627309.

Adding to 12131274 its reverse (47213121), we get a palindrome (59344395).

The spelling of 12131274 in words is "twelve million, one hundred thirty-one thousand, two hundred seventy-four".