12089539 has 8 divisors (see below), whose sum is σ = 15072768. Its totient is φ = 9420360.

The previous prime is 12089527. The next prime is 12089551. The reversal of 12089539 is 93598021.

12089539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12089527) and next prime (12089551).

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

It is a cyclic number.

It is not a de Polignac number, because 12089539 - 2⁵ = 12089507 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12089498 and 12089507.

It is not an unprimeable number, because it can be changed into a prime (12089509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78427 + ... + 78580.

It is an arithmetic number, because the mean of its divisors is an integer number (1884096).

Almost surely, 2^12089539 is an apocalyptic number.

12089539 is a deficient number, since it is larger than the sum of its proper divisors (2983229).

12089539 is a wasteful number, since it uses less digits than its factorization.

12089539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157025.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 12089539 is about 3477.0014380210. The cubic root of 12089539 is about 229.5108634618.

The spelling of 12089539 in words is "twelve million, eighty-nine thousand, five hundred thirty-nine".