12198074 has 32 divisors (see below), whose sum is σ = 21772800. Its totient is φ = 5016960.

The previous prime is 12198071. The next prime is 12198079. The reversal of 12198074 is 47089121.

It is a self number, because there is not a number n which added to its sum of digits gives 12198074.

It is not an unprimeable number, because it can be changed into a prime (12198071) 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 15 ways as a sum of consecutive naturals, for example, 45212 + ... + 45480.

It is an arithmetic number, because the mean of its divisors is an integer number (680400).

Almost surely, 2^12198074 is an apocalyptic number.

12198074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12198074 is a deficient number, since it is larger than the sum of its proper divisors (9574726).

12198074 is a wasteful number, since it uses less digits than its factorization.

12198074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 12198074 is about 3492.5741223344. The cubic root of 12198074 is about 230.1956369476.

The spelling of 12198074 in words is "twelve million, one hundred ninety-eight thousand, seventy-four".