12660023 has 8 divisors (see below), whose sum is σ = 13450800. Its totient is φ = 11881728.

The previous prime is 12660013. The next prime is 12660091. The reversal of 12660023 is 32006621.

12660023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12660023 - 2⁸ = 12659767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12659977 and 12660004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12660013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 986 + ... + 5127.

It is an arithmetic number, because the mean of its divisors is an integer number (1681350).

Almost surely, 2^12660023 is an apocalyptic number.

12660023 is a deficient number, since it is larger than the sum of its proper divisors (790777).

12660023 is a wasteful number, since it uses less digits than its factorization.

12660023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6241.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 12660023 is about 3558.0926070017. The cubic root of 12660023 is about 233.0655933509.

Adding to 12660023 its reverse (32006621), we get a palindrome (44666644).

The spelling of 12660023 in words is "twelve million, six hundred sixty thousand, twenty-three".