12205315 has 8 divisors (see below), whose sum is σ = 15417360. Its totient is φ = 9250272.

The previous prime is 12205313. The next prime is 12205321. The reversal of 12205315 is 51350221.

12205315 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 a cyclic number.

It is not a de Polignac number, because 12205315 - 2¹ = 12205313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 12205292 and 12205301.

It is not an unprimeable number, because it can be changed into a prime (12205313) 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, 64144 + ... + 64333.

It is an arithmetic number, because the mean of its divisors is an integer number (1927170).

Almost surely, 2^12205315 is an apocalyptic number.

12205315 is a deficient number, since it is larger than the sum of its proper divisors (3212045).

12205315 is a wasteful number, since it uses less digits than its factorization.

12205315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128501.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 12205315 is about 3493.6105965033. The cubic root of 12205315 is about 230.2411773854.

Adding to 12205315 its reverse (51350221), we get a palindrome (63555536).

The spelling of 12205315 in words is "twelve million, two hundred five thousand, three hundred fifteen".