12085898 has 16 divisors (see below), whose sum is σ = 20260800. Its totient is φ = 5359200.

The previous prime is 12085897. The next prime is 12085903. The reversal of 12085898 is 89858021.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (12085897) 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 7 ways as a sum of consecutive naturals, for example, 5798 + ... + 7601.

It is an arithmetic number, because the mean of its divisors is an integer number (1266300).

Almost surely, 2^12085898 is an apocalyptic number.

12085898 is a deficient number, since it is larger than the sum of its proper divisors (8174902).

12085898 is a wasteful number, since it uses less digits than its factorization.

12085898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13453.

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 12085898 is about 3476.4778152607. The cubic root of 12085898 is about 229.4878205937.

The spelling of 12085898 in words is "twelve million, eighty-five thousand, eight hundred ninety-eight".