12097705 has 8 divisors (see below), whose sum is σ = 14909832. Its totient is φ = 9416448.

The previous prime is 12097691. The next prime is 12097733. The reversal of 12097705 is 50779021.

It can be written as a sum of positive squares in 4 ways, for example, as 1411344 + 10686361 = 1188^2 + 3269^2 .

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-12097705 is a prime.

It is a Duffinian number.

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, 32512 + ... + 32881.

It is an arithmetic number, because the mean of its divisors is an integer number (1863729).

Almost surely, 2^12097705 is an apocalyptic number.

It is an amenable number.

12097705 is a deficient number, since it is larger than the sum of its proper divisors (2812127).

12097705 is an equidigital number, since it uses as much as digits as its factorization.

12097705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65435.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 12097705 is about 3478.1755274856. The cubic root of 12097705 is about 229.5625269672.

The spelling of 12097705 in words is "twelve million, ninety-seven thousand, seven hundred five".