12143413 has 16 divisors (see below), whose sum is σ = 13478400. Its totient is φ = 10895040.

The previous prime is 12143407. The next prime is 12143429. The reversal of 12143413 is 31434121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12143413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143473) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 31023 + ... + 31411.

It is an arithmetic number, because the mean of its divisors is an integer number (842400).

Almost surely, 2^12143413 is an apocalyptic number.

It is an amenable number.

12143413 is a deficient number, since it is larger than the sum of its proper divisors (1334987).

12143413 is a wasteful number, since it uses less digits than its factorization.

12143413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492.

The product of its digits is 288, while the sum is 19.

The square root of 12143413 is about 3484.7400189971. The cubic root of 12143413 is about 229.8512775149.

Adding to 12143413 its reverse (31434121), we get a palindrome (43577534).

It can be divided in two parts, 121 and 43413, that added together give a palindrome (43534).

The spelling of 12143413 in words is "twelve million, one hundred forty-three thousand, four hundred thirteen".