12670838 has 8 divisors (see below), whose sum is σ = 19832688. Its totient is φ = 6059944.

The previous prime is 12670793. The next prime is 12670849. The reversal of 12670838 is 83807621.

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 = 12670798 and 12670807.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 137681 + ... + 137772.

It is an arithmetic number, because the mean of its divisors is an integer number (2479086).

Almost surely, 2^12670838 is an apocalyptic number.

12670838 is a deficient number, since it is larger than the sum of its proper divisors (7161850).

12670838 is a wasteful number, since it uses less digits than its factorization.

12670838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275478.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 12670838 is about 3559.6120575141. The cubic root of 12670838 is about 233.1319409654.

The spelling of 12670838 in words is "twelve million, six hundred seventy thousand, eight hundred thirty-eight".