12716623 has 4 divisors (see below), whose sum is σ = 12733848. Its totient is φ = 12699400.

The previous prime is 12716621. The next prime is 12716633. The reversal of 12716623 is 32661721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12716623 - 2¹ = 12716621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12716591 and 12716600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12716621) 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, 7453 + ... + 8998.

It is an arithmetic number, because the mean of its divisors is an integer number (3183462).

Almost surely, 2^12716623 is an apocalyptic number.

12716623 is a deficient number, since it is larger than the sum of its proper divisors (17225).

12716623 is an equidigital number, since it uses as much as digits as its factorization.

12716623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17224.

The product of its digits is 3024, while the sum is 28.

The square root of 12716623 is about 3566.0374367076. The cubic root of 12716623 is about 233.4124042675.

The spelling of 12716623 in words is "twelve million, seven hundred sixteen thousand, six hundred twenty-three".