12718823 has 8 divisors (see below), whose sum is σ = 13734000. Its totient is φ = 11708928.

The previous prime is 12718819. The next prime is 12718859. The reversal of 12718823 is 32881721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12718823 - 2² = 12718819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12718823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12718813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4748 + ... + 6926.

It is an arithmetic number, because the mean of its divisors is an integer number (1716750).

Almost surely, 2^12718823 is an apocalyptic number.

12718823 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12718823 is a deficient number, since it is larger than the sum of its proper divisors (1015177).

12718823 is a wasteful number, since it uses less digits than its factorization.

12718823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641.

The product of its digits is 5376, while the sum is 32.

The square root of 12718823 is about 3566.3458890018. The cubic root of 12718823 is about 233.4258637549.

The spelling of 12718823 in words is "twelve million, seven hundred eighteen thousand, eight hundred twenty-three".