12864253 has 4 divisors (see below), whose sum is σ = 13019328. Its totient is φ = 12709180.

The previous prime is 12864251. The next prime is 12864263. The reversal of 12864253 is 35246821.

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.

It is a cyclic number.

It is not a de Polignac number, because 12864253 - 2¹ = 12864251 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 (12864251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77413 + ... + 77578.

It is an arithmetic number, because the mean of its divisors is an integer number (3254832).

Almost surely, 2^12864253 is an apocalyptic number.

It is an amenable number.

12864253 is a deficient number, since it is larger than the sum of its proper divisors (155075).

12864253 is an equidigital number, since it uses as much as digits as its factorization.

12864253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155074.

The product of its digits is 11520, while the sum is 31.

The square root of 12864253 is about 3586.6771530206. The cubic root of 12864253 is about 234.3121761809.

The spelling of 12864253 in words is "twelve million, eight hundred sixty-four thousand, two hundred fifty-three".