12254189 has 2 divisors, whose sum is σ = 12254190. Its totient is φ = 12254188.

The previous prime is 12254173. The next prime is 12254197. The reversal of 12254189 is 98145221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7155625 + 5098564 = 2675^2 + 2258^2 .

It is a cyclic number.

It is not a de Polignac number, because 12254189 - 2⁴ = 12254173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12254089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6127094 + 6127095.

It is an arithmetic number, because the mean of its divisors is an integer number (6127095).

Almost surely, 2^12254189 is an apocalyptic number.

It is an amenable number.

12254189 is a deficient number, since it is larger than the sum of its proper divisors (1).

12254189 is an equidigital number, since it uses as much as digits as its factorization.

12254189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 32.

The square root of 12254189 is about 3500.5983774206. The cubic root of 12254189 is about 230.5480879589.

The spelling of 12254189 in words is "twelve million, two hundred fifty-four thousand, one hundred eighty-nine".