12647252 has 24 divisors (see below), whose sum is σ = 23826600. Its totient is φ = 5852160.

The previous prime is 12647251. The next prime is 12647279. The reversal of 12647252 is 25274621.

It is a happy number.

12647252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2116 + 12645136 = 46^2 + 3556^2 .

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2624 + ... + 5672.

It is an arithmetic number, because the mean of its divisors is an integer number (992775).

Almost surely, 2^12647252 is an apocalyptic number.

It is an amenable number.

12647252 is a deficient number, since it is larger than the sum of its proper divisors (11179348).

12647252 is a wasteful number, since it uses less digits than its factorization.

12647252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131 (or 3129 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 12647252 is about 3556.2975128636. The cubic root of 12647252 is about 232.9871974398.

The spelling of 12647252 in words is "twelve million, six hundred forty-seven thousand, two hundred fifty-two".