12037189 has 4 divisors (see below), whose sum is σ = 12202156. Its totient is φ = 11872224.

The previous prime is 12037183. The next prime is 12037219. The reversal of 12037189 is 98173021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98173021 = 97 ⋅1012093.

It can be written as a sum of positive squares in 2 ways, for example, as 5560164 + 6477025 = 2358^2 + 2545^2 .

It is a cyclic number.

It is not a de Polignac number, because 12037189 - 2¹⁹ = 11512901 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 12037189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12037183) 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 3 ways as a sum of consecutive naturals, for example, 82374 + ... + 82519.

It is an arithmetic number, because the mean of its divisors is an integer number (3050539).

Almost surely, 2^12037189 is an apocalyptic number.

It is an amenable number.

12037189 is a deficient number, since it is larger than the sum of its proper divisors (164967).

12037189 is an equidigital number, since it uses as much as digits as its factorization.

12037189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164966.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 12037189 is about 3469.4652325683. The cubic root of 12037189 is about 229.1791089369.

The spelling of 12037189 in words is "twelve million, thirty-seven thousand, one hundred eighty-nine".