12653233 has 4 divisors (see below), whose sum is σ = 12684580. Its totient is φ = 12621888.

The previous prime is 12653227. The next prime is 12653257. The reversal of 12653233 is 33235621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6640929 + 6012304 = 2577^2 + 2452^2 .

It is a cyclic number.

It is not a de Polignac number, because 12653233 - 2⁹ = 12652721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12653198 and 12653207.

It is not an unprimeable number, because it can be changed into a prime (12653203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15060 + ... + 15877.

It is an arithmetic number, because the mean of its divisors is an integer number (3171145).

Almost surely, 2^12653233 is an apocalyptic number.

It is an amenable number.

12653233 is a deficient number, since it is larger than the sum of its proper divisors (31347).

12653233 is an equidigital number, since it uses as much as digits as its factorization.

12653233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31346.

The product of its digits is 3240, while the sum is 25.

The square root of 12653233 is about 3557.1383161187. The cubic root of 12653233 is about 233.0239189036.

Adding to 12653233 its reverse (33235621), we get a palindrome (45888854).

The spelling of 12653233 in words is "twelve million, six hundred fifty-three thousand, two hundred thirty-three".