12146918 has 16 divisors (see below), whose sum is σ = 20908800. Its totient is φ = 5184456.

The previous prime is 12146917. The next prime is 12146951. The reversal of 12146918 is 81964121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12146917) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2033 + ... + 5331.

It is an arithmetic number, because the mean of its divisors is an integer number (1306800).

Almost surely, 2^12146918 is an apocalyptic number.

12146918 is a deficient number, since it is larger than the sum of its proper divisors (8761882).

12146918 is a wasteful number, since it uses less digits than its factorization.

12146918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571.

The product of its digits is 3456, while the sum is 32.

The square root of 12146918 is about 3485.2428896707. The cubic root of 12146918 is about 229.8733896737.

The spelling of 12146918 in words is "twelve million, one hundred forty-six thousand, nine hundred eighteen".