12530642 has 16 divisors (see below), whose sum is σ = 19401432. Its totient is φ = 6065280.

The previous prime is 12530629. The next prime is 12530647. The reversal of 12530642 is 24603521.

It can be written as a sum of positive squares in 4 ways, for example, as 8886361 + 3644281 = 2981^2 + 1909^2 .

It is not an unprimeable number, because it can be changed into a prime (12530647) 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, 22892 + ... + 23432.

Almost surely, 2^12530642 is an apocalyptic number.

12530642 is a deficient number, since it is larger than the sum of its proper divisors (6870790).

12530642 is a wasteful number, since it uses less digits than its factorization.

12530642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 12530642 is about 3539.8646866794. The cubic root of 12530642 is about 232.2689236887.

The spelling of 12530642 in words is "twelve million, five hundred thirty thousand, six hundred forty-two".