12939562 has 4 divisors (see below), whose sum is σ = 19409346. Its totient is φ = 6469780.

The previous prime is 12939541. The next prime is 12939571. The reversal of 12939562 is 26593921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12809241 + 130321 = 3579^2 + 361^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3234889 + ... + 3234892.

Almost surely, 2^12939562 is an apocalyptic number.

12939562 is a deficient number, since it is larger than the sum of its proper divisors (6469784).

12939562 is an equidigital number, since it uses as much as digits as its factorization.

12939562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6469783.

The product of its digits is 29160, while the sum is 37.

The square root of 12939562 is about 3597.1602688788. The cubic root of 12939562 is about 234.7685180973.

The spelling of 12939562 in words is "twelve million, nine hundred thirty-nine thousand, five hundred sixty-two".