12204889 has 2 divisors, whose sum is σ = 12204890. Its totient is φ = 12204888.

The previous prime is 12204883. The next prime is 12204953. The reversal of 12204889 is 98840221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11971600 + 233289 = 3460^2 + 483^2 .

It is a cyclic number.

It is not a de Polignac number, because 12204889 - 2⁷ = 12204761 is a prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (12204883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6102444 + 6102445.

It is an arithmetic number, because the mean of its divisors is an integer number (6102445).

Almost surely, 2^12204889 is an apocalyptic number.

It is an amenable number.

12204889 is a deficient number, since it is larger than the sum of its proper divisors (1).

12204889 is an equidigital number, since it uses as much as digits as its factorization.

12204889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 12204889 is about 3493.5496275279. The cubic root of 12204889 is about 230.2384986649.

The spelling of 12204889 in words is "twelve million, two hundred four thousand, eight hundred eighty-nine".