12986834 has 8 divisors (see below), whose sum is σ = 22263168. Its totient is φ = 5565780.

The previous prime is 12986833. The next prime is 12986837. The reversal of 12986834 is 43868921.

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 = 12986791 and 12986800.

It is not an unprimeable number, because it can be changed into a prime (12986833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463802 + ... + 463829.

It is an arithmetic number, because the mean of its divisors is an integer number (2782896).

Almost surely, 2^12986834 is an apocalyptic number.

12986834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12986834 is a deficient number, since it is larger than the sum of its proper divisors (9276334).

12986834 is an equidigital number, since it uses as much as digits as its factorization.

12986834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927640.

The product of its digits is 82944, while the sum is 41.

The square root of 12986834 is about 3603.7250172564. The cubic root of 12986834 is about 235.0540633121.

The spelling of 12986834 in words is "twelve million, nine hundred eighty-six thousand, eight hundred thirty-four".