12760389 has 16 divisors (see below), whose sum is σ = 19367040. Its totient is φ = 8298720.

The previous prime is 12760369. The next prime is 12760393. The reversal of 12760389 is 98306721.

12760389 is a `hidden beast` number, since 1 + 276 + 0 + 389 = 666.

It is not a de Polignac number, because 12760389 - 2⁸ = 12760133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12760309) 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 15 ways as a sum of consecutive naturals, for example, 4657 + ... + 6870.

It is an arithmetic number, because the mean of its divisors is an integer number (1210440).

Almost surely, 2^12760389 is an apocalyptic number.

It is an amenable number.

12760389 is a deficient number, since it is larger than the sum of its proper divisors (6606651).

12760389 is a wasteful number, since it uses less digits than its factorization.

12760389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11577 (or 11571 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 12760389 is about 3572.1686690301. The cubic root of 12760389 is about 233.6798712479.

It can be divided in two parts, 127 and 60389, that added together give a square (60516 = 246²).

The spelling of 12760389 in words is "twelve million, seven hundred sixty thousand, three hundred eighty-nine".