12743163 has 18 divisors (see below), whose sum is σ = 19172244. Its totient is φ = 8458344.

The previous prime is 12743153. The next prime is 12743191. The reversal of 12743163 is 36134721.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 12743163 - 2⁴ = 12743147 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (12743113) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 55533 + ... + 55761.

Almost surely, 2^12743163 is an apocalyptic number.

12743163 is a deficient number, since it is larger than the sum of its proper divisors (6429081).

12743163 is an frugal number, since it uses more digits than its factorization.

12743163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 232 counting only the distinct ones).

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

The square root of 12743163 is about 3569.7567143995. The cubic root of 12743163 is about 233.5746711587.

Multiplying 12743163 by its sum of digits (27), we get a square (344065401 = 18549²).

12743163 divided by its sum of digits (27) gives a square (471969 = 687²).

Adding to 12743163 its reverse (36134721), we get a palindrome (48877884).

The spelling of 12743163 in words is "twelve million, seven hundred forty-three thousand, one hundred sixty-three".