12320198 has 16 divisors (see below), whose sum is σ = 20257344. Its totient is φ = 5573160.

The previous prime is 12320197. The next prime is 12320201. The reversal of 12320198 is 89102321.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3761 + ... + 6227.

It is an arithmetic number, because the mean of its divisors is an integer number (1266084).

Almost surely, 2^12320198 is an apocalyptic number.

12320198 is a deficient number, since it is larger than the sum of its proper divisors (7937146).

12320198 is a wasteful number, since it uses less digits than its factorization.

12320198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 12320198 is about 3510.0139600862. The cubic root of 12320198 is about 230.9613073378.

The spelling of 12320198 in words is "twelve million, three hundred twenty thousand, one hundred ninety-eight".