12204553 has 2 divisors, whose sum is σ = 12204554. Its totient is φ = 12204552.

The previous prime is 12204551. The next prime is 12204557. The reversal of 12204553 is 35540221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12054784 + 149769 = 3472^2 + 387^2 .

It is a cyclic number.

It is not a de Polignac number, because 12204553 - 2¹ = 12204551 is a prime.

It is a super-2 number, since 2×12204553² = 297902227859618, which contains 22 as substring.

Together with 12204551, it forms a pair of twin primes.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (12204551) 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 as a sum of consecutive naturals, namely, 6102276 + 6102277.

It is an arithmetic number, because the mean of its divisors is an integer number (6102277).

Almost surely, 2^12204553 is an apocalyptic number.

It is an amenable number.

12204553 is a deficient number, since it is larger than the sum of its proper divisors (1).

12204553 is an equidigital number, since it uses as much as digits as its factorization.

12204553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 12204553 is about 3493.5015385713. The cubic root of 12204553 is about 230.2363858273.

Adding to 12204553 its reverse (35540221), we get a palindrome (47744774).

The spelling of 12204553 in words is "twelve million, two hundred four thousand, five hundred fifty-three".