12321995 has 8 divisors (see below), whose sum is σ = 16898784. Its totient is φ = 8449344.

The previous prime is 12321989. The next prime is 12322001. The reversal of 12321995 is 59912321.

12321995 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12321989) and next prime (12322001).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12321995 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 175994 + ... + 176063.

It is an arithmetic number, because the mean of its divisors is an integer number (2112348).

Almost surely, 2^12321995 is an apocalyptic number.

12321995 is a deficient number, since it is larger than the sum of its proper divisors (4576789).

12321995 is an equidigital number, since it uses as much as digits as its factorization.

12321995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352069.

The product of its digits is 4860, while the sum is 32.

The square root of 12321995 is about 3510.2699326405. The cubic root of 12321995 is about 230.9725359801.

The spelling of 12321995 in words is "twelve million, three hundred twenty-one thousand, nine hundred ninety-five".