12163743 has 32 divisors (see below), whose sum is σ = 19219200. Its totient is φ = 7581600.

The previous prime is 12163729. The next prime is 12163747. The reversal of 12163743 is 34736121.

12163743 is a `hidden beast` number, since 1 + 21 + 637 + 4 + 3 = 666.

It is not a de Polignac number, because 12163743 - 2⁹ = 12163231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12163747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67113 + ... + 67293.

It is an arithmetic number, because the mean of its divisors is an integer number (600600).

Almost surely, 2^12163743 is an apocalyptic number.

12163743 is a deficient number, since it is larger than the sum of its proper divisors (7055457).

12163743 is a wasteful number, since it uses less digits than its factorization.

12163743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 334 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 12163743 is about 3487.6558029714. The cubic root of 12163743 is about 229.9794751691.

Adding to 12163743 its reverse (34736121), we get a palindrome (46899864).

The spelling of 12163743 in words is "twelve million, one hundred sixty-three thousand, seven hundred forty-three".