12955305 has 16 divisors (see below), whose sum is σ = 22613184. Its totient is φ = 6281280.

The previous prime is 12955297. The next prime is 12955307. The reversal of 12955305 is 50355921.

It is not a de Polignac number, because 12955305 - 2³ = 12955297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12955307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39094 + ... + 39423.

It is an arithmetic number, because the mean of its divisors is an integer number (1413324).

Almost surely, 2^12955305 is an apocalyptic number.

12955305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12955305 is a deficient number, since it is larger than the sum of its proper divisors (9657879).

12955305 is a wasteful number, since it uses less digits than its factorization.

12955305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78536.

The product of its (nonzero) digits is 6750, while the sum is 30.

The square root of 12955305 is about 3599.3478575987. The cubic root of 12955305 is about 234.8636903782.

The spelling of 12955305 in words is "twelve million, nine hundred fifty-five thousand, three hundred five".