12783055 has 16 divisors (see below), whose sum is σ = 16562880. Its totient is φ = 9442048.

The previous prime is 12783049. The next prime is 12783077. The reversal of 12783055 is 55038721.

It is a cyclic number.

It is not a de Polignac number, because 12783055 - 2¹¹ = 12781007 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

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, 1419 + ... + 5251.

It is an arithmetic number, because the mean of its divisors is an integer number (1035180).

Almost surely, 2^12783055 is an apocalyptic number.

12783055 is a deficient number, since it is larger than the sum of its proper divisors (3779825).

12783055 is a wasteful number, since it uses less digits than its factorization.

12783055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3890.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 12783055 is about 3575.3398439869. The cubic root of 12783055 is about 233.8181495554.

The spelling of 12783055 in words is "twelve million, seven hundred eighty-three thousand, fifty-five".