12310643 has 6 divisors (see below), whose sum is σ = 12467724. Its totient is φ = 12155516.

The previous prime is 12310637. The next prime is 12310657. The reversal of 12310643 is 34601321.

It is not a de Polignac number, because 12310643 - 2⁸ = 12310387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12315643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5996 + ... + 7782.

It is an arithmetic number, because the mean of its divisors is an integer number (2077954).

Almost surely, 2^12310643 is an apocalyptic number.

12310643 is a deficient number, since it is larger than the sum of its proper divisors (157081).

12310643 is an frugal number, since it uses more digits than its factorization.

12310643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953 (or 1870 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 12310643 is about 3508.6525903828. The cubic root of 12310643 is about 230.9015841081.

Adding to 12310643 its reverse (34601321), we get a palindrome (46911964).

The spelling of 12310643 in words is "twelve million, three hundred ten thousand, six hundred forty-three".