12521714 has 16 divisors (see below), whose sum is σ = 19224216. Its totient is φ = 6115200.

The previous prime is 12521711. The next prime is 12521731. The reversal of 12521714 is 41712521.

It can be written as a sum of positive squares in 4 ways, for example, as 9815689 + 2706025 = 3133^2 + 1645^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12521714.

It is not an unprimeable number, because it can be changed into a prime (12521711) 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 7 ways as a sum of consecutive naturals, for example, 23774 + ... + 24294.

Almost surely, 2^12521714 is an apocalyptic number.

12521714 is a deficient number, since it is larger than the sum of its proper divisors (6702502).

12521714 is a wasteful number, since it uses less digits than its factorization.

12521714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781.

The product of its digits is 560, while the sum is 23.

The square root of 12521714 is about 3538.6033968220. The cubic root of 12521714 is about 232.2137472223.

The spelling of 12521714 in words is "twelve million, five hundred twenty-one thousand, seven hundred fourteen".