12456838 has 8 divisors (see below), whose sum is σ = 18707832. Its totient is φ = 6220896.

The previous prime is 12456817. The next prime is 12456877. The reversal of 12456838 is 83865421.

It is a happy number.

12456838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 12456797 and 12456806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1395 + ... + 5182.

It is an arithmetic number, because the mean of its divisors is an integer number (2338479).

Almost surely, 2^12456838 is an apocalyptic number.

12456838 is a deficient number, since it is larger than the sum of its proper divisors (6250994).

12456838 is an equidigital number, since it uses as much as digits as its factorization.

12456838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7526.

The product of its digits is 46080, while the sum is 37.

The square root of 12456838 is about 3529.4245989963. The cubic root of 12456838 is about 231.8120132946.

The spelling of 12456838 in words is "twelve million, four hundred fifty-six thousand, eight hundred thirty-eight".