12819573 has 16 divisors (see below), whose sum is σ = 20453440. Its totient is φ = 7888752.

The previous prime is 12819551. The next prime is 12819607. The reversal of 12819573 is 37591821.

12819573 is a `hidden beast` number, since 1 + 2 + 81 + 9 + 573 = 666.

It is not a de Polignac number, because 12819573 - 2⁹ = 12819061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12819503) 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, 17911 + ... + 18612.

It is an arithmetic number, because the mean of its divisors is an integer number (1278340).

Almost surely, 2^12819573 is an apocalyptic number.

12819573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12819573 is a deficient number, since it is larger than the sum of its proper divisors (7633867).

12819573 is a wasteful number, since it uses less digits than its factorization.

12819573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36545 (or 36539 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 12819573 is about 3580.4431289995. The cubic root of 12819573 is about 234.0405912490.

It can be divided in two parts, 128 and 19573, that added together give a triangular number (19701 = T₁₉₈).

The spelling of 12819573 in words is "twelve million, eight hundred nineteen thousand, five hundred seventy-three".