12143246 has 4 divisors (see below), whose sum is σ = 18214872. Its totient is φ = 6071622.

The previous prime is 12143237. The next prime is 12143251. The reversal of 12143246 is 64234121.

12143246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

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, 3035810 + ... + 3035813.

It is an arithmetic number, because the mean of its divisors is an integer number (4553718).

Almost surely, 2^12143246 is an apocalyptic number.

12143246 is a deficient number, since it is larger than the sum of its proper divisors (6071626).

12143246 is an equidigital number, since it uses as much as digits as its factorization.

12143246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6071625.

The product of its digits is 1152, while the sum is 23.

The square root of 12143246 is about 3484.7160572994. The cubic root of 12143246 is about 229.8502238479.

Adding to 12143246 its reverse (64234121), we get a palindrome (76377367).

The spelling of 12143246 in words is "twelve million, one hundred forty-three thousand, two hundred forty-six".