12989126 has 8 divisors (see below), whose sum is σ = 19512144. Its totient is φ = 6485080.

The previous prime is 12989117. The next prime is 12989131. The reversal of 12989126 is 62198921.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12989126.

It is a congruent number.

It is an unprimeable number.

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, 2885 + ... + 5856.

It is an arithmetic number, because the mean of its divisors is an integer number (2439018).

Almost surely, 2^12989126 is an apocalyptic number.

12989126 is a deficient number, since it is larger than the sum of its proper divisors (6523018).

12989126 is an equidigital number, since it uses as much as digits as its factorization.

12989126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9486.

The product of its digits is 15552, while the sum is 38.

The square root of 12989126 is about 3604.0430075125. The cubic root of 12989126 is about 235.0678904497.

The spelling of 12989126 in words is "twelve million, nine hundred eighty-nine thousand, one hundred twenty-six".