12195320 has 16 divisors (see below), whose sum is σ = 27439560. Its totient is φ = 4878112.

The previous prime is 12195301. The next prime is 12195331. The reversal of 12195320 is 2359121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152402 + ... + 152481.

Almost surely, 2^12195320 is an apocalyptic number.

12195320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12195320 is an abundant number, since it is smaller than the sum of its proper divisors (15244240).

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

12195320 is a wasteful number, since it uses less digits than its factorization.

12195320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304894 (or 304890 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 12195320 is about 3492.1798350028. The cubic root of 12195320 is about 230.1783116305.

The spelling of 12195320 in words is "twelve million, one hundred ninety-five thousand, three hundred twenty".