12752506 has 8 divisors (see below), whose sum is σ = 20600244. Its totient is φ = 5885760.

The previous prime is 12752503. The next prime is 12752521. The reversal of 12752506 is 60525721.

12752506 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 2 ways, for example, as 11840481 + 912025 = 3441^2 + 955^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12752503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245215 + ... + 245266.

Almost surely, 2^12752506 is an apocalyptic number.

12752506 is a deficient number, since it is larger than the sum of its proper divisors (7847738).

12752506 is a wasteful number, since it uses less digits than its factorization.

12752506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490496.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 12752506 is about 3571.0651072194. The cubic root of 12752506 is about 233.6317411089.

The spelling of 12752506 in words is "twelve million, seven hundred fifty-two thousand, five hundred six".