12386623 has 4 divisors (see below), whose sum is σ = 12674728. Its totient is φ = 12098520.

The previous prime is 12386611. The next prime is 12386657. The reversal of 12386623 is 32668321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32668321 = 7 ⋅4666903.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12386623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12386663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143988 + ... + 144073.

It is an arithmetic number, because the mean of its divisors is an integer number (3168682).

Almost surely, 2^12386623 is an apocalyptic number.

12386623 is a deficient number, since it is larger than the sum of its proper divisors (288105).

12386623 is an equidigital number, since it uses as much as digits as its factorization.

12386623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288104.

The product of its digits is 10368, while the sum is 31.

The square root of 12386623 is about 3519.4634534258. The cubic root of 12386623 is about 231.3756436290.

The spelling of 12386623 in words is "twelve million, three hundred eighty-six thousand, six hundred twenty-three".