12000889 has 4 divisors (see below), whose sum is σ = 12013924. Its totient is φ = 11987856.

The previous prime is 12000883. The next prime is 12000899. The reversal of 12000889 is 98800021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98800021 = 8999 ⋅10979.

It can be written as a sum of positive squares in 2 ways, for example, as 4272489 + 7728400 = 2067^2 + 2780^2 .

It is a cyclic number.

It is not a de Polignac number, because 12000889 - 2³ = 12000881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12000881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5022 + ... + 7015.

It is an arithmetic number, because the mean of its divisors is an integer number (3003481).

Almost surely, 2^12000889 is an apocalyptic number.

It is an amenable number.

12000889 is a deficient number, since it is larger than the sum of its proper divisors (13035).

12000889 is an equidigital number, since it uses as much as digits as its factorization.

12000889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13034.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 12000889 is about 3464.2299288586. The cubic root of 12000889 is about 228.9485019875.

The spelling of 12000889 in words is "twelve million, eight hundred eighty-nine", and thus it is an aban number.