12207553 has 2 divisors, whose sum is σ = 12207554. Its totient is φ = 12207552.

The previous prime is 12207539. The next prime is 12207563. The reversal of 12207553 is 35570221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10419984 + 1787569 = 3228^2 + 1337^2 .

It is an emirp because it is prime and its reverse (35570221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12207553 - 2¹⁷ = 12076481 is a prime.

It is not a weakly prime, because it can be changed into another prime (12207563) 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, 6103776 + 6103777.

It is an arithmetic number, because the mean of its divisors is an integer number (6103777).

Almost surely, 2^12207553 is an apocalyptic number.

It is an amenable number.

12207553 is a deficient number, since it is larger than the sum of its proper divisors (1).

12207553 is an equidigital number, since it uses as much as digits as its factorization.

12207553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 12207553 is about 3493.9308808275. The cubic root of 12207553 is about 230.2552490764.

Adding to 12207553 its reverse (35570221), we get a palindrome (47777774).

The spelling of 12207553 in words is "twelve million, two hundred seven thousand, five hundred fifty-three".