12776733 has 12 divisors (see below), whose sum is σ = 19092060. Its totient is φ = 8223936.

The previous prime is 12776723. The next prime is 12776737. The reversal of 12776733 is 33767721.

It can be written as a sum of positive squares in 2 ways, for example, as 6335289 + 6441444 = 2517^2 + 2538^2 .

It is not a de Polignac number, because 12776733 - 2⁴ = 12776717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12776737) 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 11 ways as a sum of consecutive naturals, for example, 24216 + ... + 24737.

It is an arithmetic number, because the mean of its divisors is an integer number (1591005).

Almost surely, 2^12776733 is an apocalyptic number.

It is an amenable number.

12776733 is a deficient number, since it is larger than the sum of its proper divisors (6315327).

12776733 is a wasteful number, since it uses less digits than its factorization.

12776733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48988 (or 48985 counting only the distinct ones).

The product of its digits is 37044, while the sum is 36.

The square root of 12776733 is about 3574.4556228886. The cubic root of 12776733 is about 233.7795974228.

The spelling of 12776733 in words is "twelve million, seven hundred seventy-six thousand, seven hundred thirty-three".