12146798 has 4 divisors (see below), whose sum is σ = 18220200. Its totient is φ = 6073398.

The previous prime is 12146773. The next prime is 12146807. The reversal of 12146798 is 89764121.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 3036698 + ... + 3036701.

It is an arithmetic number, because the mean of its divisors is an integer number (4555050).

Almost surely, 2^12146798 is an apocalyptic number.

12146798 is a deficient number, since it is larger than the sum of its proper divisors (6073402).

12146798 is an equidigital number, since it uses as much as digits as its factorization.

12146798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6073401.

The product of its digits is 24192, while the sum is 38.

The square root of 12146798 is about 3485.2256741852. The cubic root of 12146798 is about 229.8726326943.

The spelling of 12146798 in words is "twelve million, one hundred forty-six thousand, seven hundred ninety-eight".