12198601 has 4 divisors (see below), whose sum is σ = 12252100. Its totient is φ = 12145104.

The previous prime is 12198583. The next prime is 12198611. The reversal of 12198601 is 10689121.

It is a happy number.

12198601 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10689121 = 71 ⋅150551.

It can be written as a sum of positive squares in 2 ways, for example, as 6245001 + 5953600 = 2499^2 + 2440^2 .

It is a cyclic number.

It is not a de Polignac number, because 12198601 - 2⁵ = 12198569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12198601.

It is not an unprimeable number, because it can be changed into a prime (12198611) 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 3 ways as a sum of consecutive naturals, for example, 26406 + ... + 26863.

It is an arithmetic number, because the mean of its divisors is an integer number (3063025).

Almost surely, 2^12198601 is an apocalyptic number.

It is an amenable number.

12198601 is a deficient number, since it is larger than the sum of its proper divisors (53499).

12198601 is an equidigital number, since it uses as much as digits as its factorization.

12198601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53498.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 12198601 is about 3492.6495673056. The cubic root of 12198601 is about 230.1989519888.

The spelling of 12198601 in words is "twelve million, one hundred ninety-eight thousand, six hundred one".