12290089 has 4 divisors (see below), whose sum is σ = 14045824. Its totient is φ = 10534356.

The previous prime is 12290071. The next prime is 12290123. The reversal of 12290089 is 98009221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98009221 = 421 ⋅232801.

It is not a de Polignac number, because 12290089 - 2⁹ = 12289577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12290089.

It is not an unprimeable number, because it can be changed into a prime (12290009) 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, 877857 + ... + 877870.

It is an arithmetic number, because the mean of its divisors is an integer number (3511456).

Almost surely, 2^12290089 is an apocalyptic number.

It is an amenable number.

12290089 is a deficient number, since it is larger than the sum of its proper divisors (1755735).

12290089 is an equidigital number, since it uses as much as digits as its factorization.

12290089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755734.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 12290089 is about 3505.7223221470. The cubic root of 12290089 is about 230.7730071547.

The spelling of 12290089 in words is "twelve million, two hundred ninety thousand, eighty-nine".