12310838 has 4 divisors (see below), whose sum is σ = 18466260. Its totient is φ = 6155418.

The previous prime is 12310817. The next prime is 12310847. The reversal of 12310838 is 83801321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83801321 = 53 ⋅1581157.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3077708 + ... + 3077711.

It is an arithmetic number, because the mean of its divisors is an integer number (4616565).

Almost surely, 2^12310838 is an apocalyptic number.

12310838 is a deficient number, since it is larger than the sum of its proper divisors (6155422).

12310838 is an equidigital number, since it uses as much as digits as its factorization.

12310838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6155421.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 12310838 is about 3508.6803787179. The cubic root of 12310838 is about 230.9028032583.

The spelling of 12310838 in words is "twelve million, three hundred ten thousand, eight hundred thirty-eight".