12653263 has 4 divisors (see below), whose sum is σ = 14460880. Its totient is φ = 10845648.

The previous prime is 12653257. The next prime is 12653281. The reversal of 12653263 is 36235621.

12653263 is digitally balanced in base 3, 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 12653263 - 2⁹ = 12652751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12653203) 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, 903798 + ... + 903811.

It is an arithmetic number, because the mean of its divisors is an integer number (3615220).

Almost surely, 2^12653263 is an apocalyptic number.

12653263 is a deficient number, since it is larger than the sum of its proper divisors (1807617).

12653263 is an equidigital number, since it uses as much as digits as its factorization.

12653263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807616.

The product of its digits is 6480, while the sum is 28.

The square root of 12653263 is about 3557.1425329891. The cubic root of 12653263 is about 233.0241030651.

Adding to 12653263 its reverse (36235621), we get a palindrome (48888884).

The spelling of 12653263 in words is "twelve million, six hundred fifty-three thousand, two hundred sixty-three".