12310816 has 24 divisors (see below), whose sum is σ = 27699840. Its totient is φ = 5275968.

The previous prime is 12310801. The next prime is 12310817. The reversal of 12310816 is 61801321.

12310816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12310817) 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, 27256 + ... + 27703.

It is an arithmetic number, because the mean of its divisors is an integer number (1154160).

Almost surely, 2^12310816 is an apocalyptic number.

12310816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12310816 is an abundant number, since it is smaller than the sum of its proper divisors (15389024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12310816 is an equidigital number, since it uses as much as digits as its factorization.

12310816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54976 (or 54968 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 12310816 is about 3508.6772436347. The cubic root of 12310816 is about 230.9026657138.

The spelling of 12310816 in words is "twelve million, three hundred ten thousand, eight hundred sixteen".