12323816 has 8 divisors (see below), whose sum is σ = 23107170. Its totient is φ = 6161904.

The previous prime is 12323813. The next prime is 12323851. The reversal of 12323816 is 61832321.

12323816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11874916 + 448900 = 3446^2 + 670^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12323813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770231 + ... + 770246.

Almost surely, 2^12323816 is an apocalyptic number.

It is an amenable number.

12323816 is a deficient number, since it is larger than the sum of its proper divisors (10783354).

12323816 is a wasteful number, since it uses less digits than its factorization.

12323816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540483 (or 1540479 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 12323816 is about 3510.5293048200. The cubic root of 12323816 is about 230.9839134741.

The spelling of 12323816 in words is "twelve million, three hundred twenty-three thousand, eight hundred sixteen".