12310638 has 8 divisors (see below), whose sum is σ = 24621288. Its totient is φ = 4103544.

The previous prime is 12310637. The next prime is 12310657. The reversal of 12310638 is 83601321.

It is a sphenic number, since it is the product of 3 distinct primes.

12310638 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310637) 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, 1025881 + ... + 1025892.

It is an arithmetic number, because the mean of its divisors is an integer number (3077661).

Almost surely, 2^12310638 is an apocalyptic number.

12310638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12310638 is a wasteful number, since it uses less digits than its factorization.

12310638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051778.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 12310638 is about 3508.6518778585. The cubic root of 12310638 is about 230.9015528476.

Adding to 12310638 its reverse (83601321), we get a palindrome (95911959).

The spelling of 12310638 in words is "twelve million, three hundred ten thousand, six hundred thirty-eight".