12227653 has 4 divisors (see below), whose sum is σ = 12247200. Its totient is φ = 12208108.

The previous prime is 12227627. The next prime is 12227681. The reversal of 12227653 is 35672221.

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: 35672221 = 13 ⋅2744017.

It is a cyclic number.

It is not a de Polignac number, because 12227653 - 2¹³ = 12219461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12227623) 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, 8803 + ... + 10096.

It is an arithmetic number, because the mean of its divisors is an integer number (3061800).

Almost surely, 2^12227653 is an apocalyptic number.

It is an amenable number.

12227653 is a deficient number, since it is larger than the sum of its proper divisors (19547).

12227653 is an equidigital number, since it uses as much as digits as its factorization.

12227653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19546.

The product of its digits is 5040, while the sum is 28.

The square root of 12227653 is about 3496.8061141562. The cubic root of 12227653 is about 230.3815531965.

Adding to 12227653 its reverse (35672221), we get a palindrome (47899874).

It can be divided in two parts, 12227 and 653, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 12227653 in words is "twelve million, two hundred twenty-seven thousand, six hundred fifty-three".