12143416 has 8 divisors (see below), whose sum is σ = 22768920. Its totient is φ = 6071704.

The previous prime is 12143407. The next prime is 12143429. The reversal of 12143416 is 61434121.

12143416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 758956 + ... + 758971.

It is an arithmetic number, because the mean of its divisors is an integer number (2846115).

Almost surely, 2^12143416 is an apocalyptic number.

It is an amenable number.

12143416 is a deficient number, since it is larger than the sum of its proper divisors (10625504).

12143416 is a wasteful number, since it uses less digits than its factorization.

12143416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517933 (or 1517929 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 12143416 is about 3484.7404494453. The cubic root of 12143416 is about 229.8512964429.

Adding to 12143416 its reverse (61434121), we get a palindrome (73577537).

The spelling of 12143416 in words is "twelve million, one hundred forty-three thousand, four hundred sixteen".