12659823 has 12 divisors (see below), whose sum is σ = 19948968. Its totient is φ = 7672560.

The previous prime is 12659819. The next prime is 12659827. The reversal of 12659823 is 32895621.

12659823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12659819) and next prime (12659827).

It is not a de Polignac number, because 12659823 - 2² = 12659819 is a prime.

It is a super-2 number, since 2×12659823² = 320542236782658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12659827) 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, 63840 + ... + 64037.

It is an arithmetic number, because the mean of its divisors is an integer number (1662414).

Almost surely, 2^12659823 is an apocalyptic number.

12659823 is a deficient number, since it is larger than the sum of its proper divisors (7289145).

12659823 is a wasteful number, since it uses less digits than its factorization.

12659823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127894 (or 127891 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 12659823 is about 3558.0645019448. The cubic root of 12659823 is about 233.0643660397.

It can be divided in two parts, 126598 and 23, that added together give a palindrome (126621).

The spelling of 12659823 in words is "twelve million, six hundred fifty-nine thousand, eight hundred twenty-three".