12053989 has 4 divisors (see below), whose sum is σ = 12130924. Its totient is φ = 11977056.

The previous prime is 12053981. The next prime is 12054011. The reversal of 12053989 is 98935021.

12053989 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98935021 = 71 ⋅1393451.

It can be written as a sum of positive squares in 2 ways, for example, as 2505889 + 9548100 = 1583^2 + 3090^2 .

It is a cyclic number.

It is not a de Polignac number, because 12053989 - 2³ = 12053981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12053981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38232 + ... + 38545.

It is an arithmetic number, because the mean of its divisors is an integer number (3032731).

Almost surely, 2^12053989 is an apocalyptic number.

It is an amenable number.

12053989 is a deficient number, since it is larger than the sum of its proper divisors (76935).

12053989 is an equidigital number, since it uses as much as digits as its factorization.

12053989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76934.

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

The square root of 12053989 is about 3471.8855107852. The cubic root of 12053989 is about 229.2856792003.

The spelling of 12053989 in words is "twelve million, fifty-three thousand, nine hundred eighty-nine".