12573689 has 6 divisors (see below), whose sum is σ = 12768714. Its totient is φ = 12381600.

The previous prime is 12573679. The next prime is 12573707. The reversal of 12573689 is 98637521.

It can be written as a sum of positive squares in only one way, i.e., 10778089 + 1795600 = 3283^2 + 1340^2 .

It is not a de Polignac number, because 12573689 - 2¹² = 12569593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12573629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3089 + ... + 5889.

It is an arithmetic number, because the mean of its divisors is an integer number (2128119).

Almost surely, 2^12573689 is an apocalyptic number.

It is an amenable number.

12573689 is a deficient number, since it is larger than the sum of its proper divisors (195025).

12573689 is an frugal number, since it uses more digits than its factorization.

12573689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2935 (or 2868 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 12573689 is about 3545.9397908030. The cubic root of 12573689 is about 232.5345938428.

The spelling of 12573689 in words is "twelve million, five hundred seventy-three thousand, six hundred eighty-nine".