12647253 has 4 divisors (see below), whose sum is σ = 16863008. Its totient is φ = 8431500.

The previous prime is 12647251. The next prime is 12647279. The reversal of 12647253 is 35274621.

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 not a de Polignac number, because 12647253 - 2¹ = 12647251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12647253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12647251) 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, 2107873 + ... + 2107878.

It is an arithmetic number, because the mean of its divisors is an integer number (4215752).

Almost surely, 2^12647253 is an apocalyptic number.

It is an amenable number.

12647253 is a deficient number, since it is larger than the sum of its proper divisors (4215755).

12647253 is an equidigital number, since it uses as much as digits as its factorization.

12647253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4215754.

The product of its digits is 10080, while the sum is 30.

The square root of 12647253 is about 3556.2976534593. The cubic root of 12647253 is about 232.9872035805.

The spelling of 12647253 in words is "twelve million, six hundred forty-seven thousand, two hundred fifty-three".