12653303 has 4 divisors (see below), whose sum is σ = 13626648. Its totient is φ = 11679960.

The previous prime is 12653299. The next prime is 12653323. The reversal of 12653303 is 30335621.

12653303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12653303 - 2² = 12653299 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 (12653323) 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, 486653 + ... + 486678.

It is an arithmetic number, because the mean of its divisors is an integer number (3406662).

Almost surely, 2^12653303 is an apocalyptic number.

12653303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12653303 is a deficient number, since it is larger than the sum of its proper divisors (973345).

12653303 is an equidigital number, since it uses as much as digits as its factorization.

12653303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973344.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 12653303 is about 3557.1481554751. The cubic root of 12653303 is about 233.0243486132.

Adding to 12653303 its reverse (30335621), we get a palindrome (42988924).

The spelling of 12653303 in words is "twelve million, six hundred fifty-three thousand, three hundred three".