12473089 has 4 divisors (see below), whose sum is σ = 12490324. Its totient is φ = 12455856.

The previous prime is 12473081. The next prime is 12473093. The reversal of 12473089 is 98037421.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5919489 + 6553600 = 2433^2 + 2560^2 .

It is a cyclic number.

It is not a de Polignac number, because 12473089 - 2³ = 12473081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12473081) 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, 7482 + ... + 8995.

It is an arithmetic number, because the mean of its divisors is an integer number (3122581).

Almost surely, 2^12473089 is an apocalyptic number.

It is an amenable number.

12473089 is a deficient number, since it is larger than the sum of its proper divisors (17235).

12473089 is an equidigital number, since it uses as much as digits as its factorization.

12473089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17234.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 12473089 is about 3531.7260652548. The cubic root of 12473089 is about 231.9127756232.

The spelling of 12473089 in words is "twelve million, four hundred seventy-three thousand, eighty-nine".