12816583 has 12 divisors (see below), whose sum is σ = 14572488. Its totient is φ = 11203920.

The previous prime is 12816581. The next prime is 12816607. The reversal of 12816583 is 38561821.

It is not a de Polignac number, because 12816583 - 2¹ = 12816581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12816581) 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 11 ways as a sum of consecutive naturals, for example, 3328 + ... + 6058.

It is an arithmetic number, because the mean of its divisors is an integer number (1214374).

Almost surely, 2^12816583 is an apocalyptic number.

12816583 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12816583 is a deficient number, since it is larger than the sum of its proper divisors (1755905).

12816583 is a wasteful number, since it uses less digits than its factorization.

12816583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782 (or 2763 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The square root of 12816583 is about 3580.0255585680. The cubic root of 12816583 is about 234.0223941847.

The spelling of 12816583 in words is "twelve million, eight hundred sixteen thousand, five hundred eighty-three".