12638253 has 8 divisors (see below), whose sum is σ = 17209728. Its totient is φ = 8246144.

The previous prime is 12638251. The next prime is 12638261. The reversal of 12638253 is 35283621.

12638253 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12638253 - 2¹ = 12638251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12638253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12638251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44676 + ... + 44957.

It is an arithmetic number, because the mean of its divisors is an integer number (2151216).

Almost surely, 2^12638253 is an apocalyptic number.

It is an amenable number.

12638253 is a deficient number, since it is larger than the sum of its proper divisors (4571475).

12638253 is an equidigital number, since it uses as much as digits as its factorization.

12638253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89683.

The product of its digits is 8640, while the sum is 30.

The square root of 12638253 is about 3555.0320673659. The cubic root of 12638253 is about 232.9319245824.

The spelling of 12638253 in words is "twelve million, six hundred thirty-eight thousand, two hundred fifty-three".