12197904 has 40 divisors (see below), whose sum is σ = 31694400. Its totient is φ = 4042368.

The previous prime is 12197903. The next prime is 12197909. The reversal of 12197904 is 40979121.

It is not an unprimeable number, because it can be changed into a prime (12197903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8914 + ... + 10190.

It is an arithmetic number, because the mean of its divisors is an integer number (792360).

Almost surely, 2^12197904 is an apocalyptic number.

It is an amenable number.

12197904 is an abundant number, since it is smaller than the sum of its proper divisors (19496496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12197904 is a wasteful number, since it uses less digits than its factorization.

12197904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487 (or 1481 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 12197904 is about 3492.5497848993. The cubic root of 12197904 is about 230.1945675591.

The spelling of 12197904 in words is "twelve million, one hundred ninety-seven thousand, nine hundred four".