12078195 has 8 divisors (see below), whose sum is σ = 19325136. Its totient is φ = 6441696.

The previous prime is 12078193. The next prime is 12078203. The reversal of 12078195 is 59187021.

12078195 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12078195 - 2¹ = 12078193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12078193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402592 + ... + 402621.

It is an arithmetic number, because the mean of its divisors is an integer number (2415642).

Almost surely, 2^12078195 is an apocalyptic number.

12078195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12078195 is a deficient number, since it is larger than the sum of its proper divisors (7246941).

12078195 is an equidigital number, since it uses as much as digits as its factorization.

12078195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805221.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 12078195 is about 3475.3697644999. The cubic root of 12078195 is about 229.4390552096.

The spelling of 12078195 in words is "twelve million, seventy-eight thousand, one hundred ninety-five".