12355305 has 16 divisors (see below), whose sum is σ = 20450880. Its totient is φ = 6362048.

The previous prime is 12355303. The next prime is 12355331. The reversal of 12355305 is 50355321.

12355305 is nontrivially palindromic in base 11.

It is a cyclic number.

It is not a de Polignac number, because 12355305 - 2¹ = 12355303 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12355303) 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, 13767 + ... + 14636.

It is an arithmetic number, because the mean of its divisors is an integer number (1278180).

Almost surely, 2^12355305 is an apocalyptic number.

12355305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12355305 is a deficient number, since it is larger than the sum of its proper divisors (8095575).

12355305 is a wasteful number, since it uses less digits than its factorization.

12355305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28440.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 12355305 is about 3515.0113797824. The cubic root of 12355305 is about 231.1804777620.

The spelling of 12355305 in words is "twelve million, three hundred fifty-five thousand, three hundred five".