12143727 has 12 divisors (see below), whose sum is σ = 17619264. Its totient is φ = 8059680.

The previous prime is 12143713. The next prime is 12143737. The reversal of 12143727 is 72734121.

It is a happy number.

It is not a de Polignac number, because 12143727 - 2⁴ = 12143711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12143727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 799 + ... + 4992.

It is an arithmetic number, because the mean of its divisors is an integer number (1468272).

Almost surely, 2^12143727 is an apocalyptic number.

12143727 is a deficient number, since it is larger than the sum of its proper divisors (5475537).

12143727 is a wasteful number, since it uses less digits than its factorization.

12143727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6030 (or 6027 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 12143727 is about 3484.7850722821. The cubic root of 12143727 is about 229.8532586350.

Adding to 12143727 its reverse (72734121), we get a palindrome (84877848).

The spelling of 12143727 in words is "twelve million, one hundred forty-three thousand, seven hundred twenty-seven".