12143334 has 16 divisors (see below), whose sum is σ = 27756288. Its totient is φ = 3469512.

The previous prime is 12143317. The next prime is 12143353. The reversal of 12143334 is 43334121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 12143334.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 144522 + ... + 144605.

It is an arithmetic number, because the mean of its divisors is an integer number (1734768).

Almost surely, 2^12143334 is an apocalyptic number.

12143334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12143334 is an abundant number, since it is smaller than the sum of its proper divisors (15612954).

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

12143334 is a wasteful number, since it uses less digits than its factorization.

12143334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289139.

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

The square root of 12143334 is about 3484.7286838433. The cubic root of 12143334 is about 229.8507790748.

Adding to 12143334 its reverse (43334121), we get a palindrome (55477455).

The spelling of 12143334 in words is "twelve million, one hundred forty-three thousand, three hundred thirty-four".