12195705 has 16 divisors (see below), whose sum is σ = 19566144. Its totient is φ = 6486720.

The previous prime is 12195697. The next prime is 12195719. The reversal of 12195705 is 50759121.

It is not a de Polignac number, because 12195705 - 2³ = 12195697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6135 + ... + 7875.

It is an arithmetic number, because the mean of its divisors is an integer number (1222884).

Almost surely, 2^12195705 is an apocalyptic number.

12195705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12195705 is a deficient number, since it is larger than the sum of its proper divisors (7370439).

12195705 is a wasteful number, since it uses less digits than its factorization.

12195705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216.

The product of its (nonzero) digits is 3150, while the sum is 30.

The square root of 12195705 is about 3492.2349577312. The cubic root of 12195705 is about 230.1807338087.

The spelling of 12195705 in words is "twelve million, one hundred ninety-five thousand, seven hundred five".