12312963 has 12 divisors (see below), whose sum is σ = 19153680. Its totient is φ = 7577136.

The previous prime is 12312959. The next prime is 12312973. The reversal of 12312963 is 36921321.

12312963 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12312963 - 2² = 12312959 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12312943) 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 11 ways as a sum of consecutive naturals, for example, 52503 + ... + 52736.

It is an arithmetic number, because the mean of its divisors is an integer number (1596140).

Almost surely, 2^12312963 is an apocalyptic number.

12312963 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12312963 is a deficient number, since it is larger than the sum of its proper divisors (6840717).

12312963 is a wasteful number, since it uses less digits than its factorization.

12312963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105258 (or 105255 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 12312963 is about 3508.9831860526. The cubic root of 12312963 is about 230.9160880357.

The spelling of 12312963 in words is "twelve million, three hundred twelve thousand, nine hundred sixty-three".