12255783 has 4 divisors (see below), whose sum is σ = 16341048. Its totient is φ = 8170520.

The previous prime is 12255781. The next prime is 12255791. The reversal of 12255783 is 38755221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12255783 - 2¹ = 12255781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12255781) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2042628 + ... + 2042633.

It is an arithmetic number, because the mean of its divisors is an integer number (4085262).

Almost surely, 2^12255783 is an apocalyptic number.

12255783 is a deficient number, since it is larger than the sum of its proper divisors (4085265).

12255783 is an equidigital number, since it uses as much as digits as its factorization.

12255783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4085264.

The product of its digits is 16800, while the sum is 33.

The square root of 12255783 is about 3500.8260453784. The cubic root of 12255783 is about 230.5580839344.

The spelling of 12255783 in words is "twelve million, two hundred fifty-five thousand, seven hundred eighty-three".