12206253 has 4 divisors (see below), whose sum is σ = 16275008. Its totient is φ = 8137500.

The previous prime is 12206209. The next prime is 12206269. The reversal of 12206253 is 35260221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35260221 = 3 ⋅11753407.

It is not a de Polignac number, because 12206253 - 2¹⁰ = 12205229 is a prime.

It is a super-2 number, since 2×12206253² = 297985224600018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12206203) 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 in 3 ways as a sum of consecutive naturals, for example, 2034373 + ... + 2034378.

It is an arithmetic number, because the mean of its divisors is an integer number (4068752).

Almost surely, 2^12206253 is an apocalyptic number.

It is an amenable number.

12206253 is a deficient number, since it is larger than the sum of its proper divisors (4068755).

12206253 is an equidigital number, since it uses as much as digits as its factorization.

12206253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4068754.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 12206253 is about 3493.7448389944. The cubic root of 12206253 is about 230.2470753813.

Adding to 12206253 its reverse (35260221), we get a palindrome (47466474).

The spelling of 12206253 in words is "twelve million, two hundred six thousand, two hundred fifty-three".