12523089 has 8 divisors (see below), whose sum is σ = 16829440. Its totient is φ = 8282736.

The previous prime is 12523073. The next prime is 12523097. The reversal of 12523089 is 98032521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12523089 - 2⁴ = 12523073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12522089) 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 7 ways as a sum of consecutive naturals, for example, 16054 + ... + 16815.

It is an arithmetic number, because the mean of its divisors is an integer number (2103680).

Almost surely, 2^12523089 is an apocalyptic number.

It is an amenable number.

12523089 is a deficient number, since it is larger than the sum of its proper divisors (4306351).

12523089 is a wasteful number, since it uses less digits than its factorization.

12523089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32999.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 12523089 is about 3538.7976771779. The cubic root of 12523089 is about 232.2222466502. Note that the first 4 decimals are identical.

The spelling of 12523089 in words is "twelve million, five hundred twenty-three thousand, eighty-nine".