12431334 has 16 divisors (see below), whose sum is σ = 25535088. Its totient is φ = 4031712.

The previous prime is 12431329. The next prime is 12431357. The reversal of 12431334 is 43313421.

It is a self number, because there is not a number n which added to its sum of digits gives 12431334.

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 7 ways as a sum of consecutive naturals, for example, 27777 + ... + 28220.

It is an arithmetic number, because the mean of its divisors is an integer number (1595943).

Almost surely, 2^12431334 is an apocalyptic number.

12431334 is an abundant number, since it is smaller than the sum of its proper divisors (13103754).

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

12431334 is a wasteful number, since it uses less digits than its factorization.

12431334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56039.

The product of its digits is 864, while the sum is 21.

The square root of 12431334 is about 3525.8096942405. The cubic root of 12431334 is about 231.6537020389.

Adding to 12431334 its reverse (43313421), we get a palindrome (55744755).

The spelling of 12431334 in words is "twelve million, four hundred thirty-one thousand, three hundred thirty-four".