12616823 has 4 divisors (see below), whose sum is σ = 12624168. Its totient is φ = 12609480.

The previous prime is 12616787. The next prime is 12616829. The reversal of 12616823 is 32861621.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12616823 - 2¹² = 12612727 is a prime.

It is a super-2 number, since 2×12616823² = 318368445226658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12616829) 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, 440 + ... + 5042.

It is an arithmetic number, because the mean of its divisors is an integer number (3156042).

Almost surely, 2^12616823 is an apocalyptic number.

12616823 is a deficient number, since it is larger than the sum of its proper divisors (7345).

12616823 is an equidigital number, since it uses as much as digits as its factorization.

12616823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7344.

The product of its digits is 3456, while the sum is 29.

The square root of 12616823 is about 3552.0167510866. The cubic root of 12616823 is about 232.8001934218.

The spelling of 12616823 in words is "twelve million, six hundred sixteen thousand, eight hundred twenty-three".