12143734 has 8 divisors (see below), whose sum is σ = 18524520. Its totient is φ = 5968896.

The previous prime is 12143713. The next prime is 12143737. The reversal of 12143734 is 43734121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12143699 and 12143708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143737) 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 3 ways as a sum of consecutive naturals, for example, 51339 + ... + 51574.

It is an arithmetic number, because the mean of its divisors is an integer number (2315565).

Almost surely, 2^12143734 is an apocalyptic number.

12143734 is a deficient number, since it is larger than the sum of its proper divisors (6380786).

12143734 is a wasteful number, since it uses less digits than its factorization.

12143734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102974.

The product of its digits is 2016, while the sum is 25.

The square root of 12143734 is about 3484.7860766480. The cubic root of 12143734 is about 229.8533027997.

Adding to 12143734 its reverse (43734121), we get a palindrome (55877855).

The spelling of 12143734 in words is "twelve million, one hundred forty-three thousand, seven hundred thirty-four".