12197648 has 20 divisors (see below), whose sum is σ = 23725788. Its totient is φ = 6074880.

The previous prime is 12197641. The next prime is 12197651. The reversal of 12197648 is 84679121.

It can be written as a sum of positive squares in 2 ways, for example, as 10679824 + 1517824 = 3268^2 + 1232^2 .

It is not an unprimeable number, because it can be changed into a prime (12197641) 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, 3140 + ... + 5852.

Almost surely, 2^12197648 is an apocalyptic number.

It is an amenable number.

12197648 is a deficient number, since it is larger than the sum of its proper divisors (11528140).

12197648 is a wasteful number, since it uses less digits than its factorization.

12197648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002 (or 2996 counting only the distinct ones).

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

The square root of 12197648 is about 3492.5131352652. The cubic root of 12197648 is about 230.1929571671.

The spelling of 12197648 in words is "twelve million, one hundred ninety-seven thousand, six hundred forty-eight".