12936771 has 12 divisors (see below), whose sum is σ = 19142760. Its totient is φ = 8413920.

The previous prime is 12936769. The next prime is 12936817. The reversal of 12936771 is 17763921.

It is a happy number.

It is not a de Polignac number, because 12936771 - 2¹ = 12936769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12936751) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 17161 + ... + 17898.

It is an arithmetic number, because the mean of its divisors is an integer number (1595230).

Almost surely, 2^12936771 is an apocalyptic number.

12936771 is a deficient number, since it is larger than the sum of its proper divisors (6205989).

12936771 is a wasteful number, since it uses less digits than its factorization.

12936771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35106 (or 35103 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 12936771 is about 3596.7723030517. The cubic root of 12936771 is about 234.7516374113.

The spelling of 12936771 in words is "twelve million, nine hundred thirty-six thousand, seven hundred seventy-one".