12723168 has 24 divisors (see below), whose sum is σ = 33398568. Its totient is φ = 4241024.

The previous prime is 12723167. The next prime is 12723169. The reversal of 12723168 is 86132721.

It is an interprime number because it is at equal distance from previous prime (12723167) and next prime (12723169).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12723167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66171 + ... + 66362.

It is an arithmetic number, because the mean of its divisors is an integer number (1391607).

Almost surely, 2^12723168 is an apocalyptic number.

It is an amenable number.

12723168 is an abundant number, since it is smaller than the sum of its proper divisors (20675400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12723168 is a wasteful number, since it uses less digits than its factorization.

12723168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132546 (or 132538 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 12723168 is about 3566.9550039214. The cubic root of 12723168 is about 233.4524416834.

Adding to 12723168 its reverse (86132721), we get a palindrome (98855889).

The spelling of 12723168 in words is "twelve million, seven hundred twenty-three thousand, one hundred sixty-eight".