12431214 has 24 divisors (see below), whose sum is σ = 27562392. Its totient is φ = 4047120.

The previous prime is 12431197. The next prime is 12431239. The reversal of 12431214 is 41213421.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7257 + ... + 8804.

It is an arithmetic number, because the mean of its divisors is an integer number (1148433).

Almost surely, 2^12431214 is an apocalyptic number.

12431214 is an abundant number, since it is smaller than the sum of its proper divisors (15131178).

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

12431214 is a wasteful number, since it uses less digits than its factorization.

12431214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16112 (or 16109 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 12431214 is about 3525.7926768317. The cubic root of 12431214 is about 231.6529566500.

Adding to 12431214 its reverse (41213421), we get a palindrome (53644635).

The spelling of 12431214 in words is "twelve million, four hundred thirty-one thousand, two hundred fourteen".