12758733 has 12 divisors (see below), whose sum is σ = 19847100. Its totient is φ = 7851456.

The previous prime is 12758731. The next prime is 12758741. The reversal of 12758733 is 33785721.

It can be written as a sum of positive squares in 2 ways, for example, as 522729 + 12236004 = 723^2 + 3498^2 .

It is not a de Polignac number, because 12758733 - 2¹ = 12758731 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12758731) 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, 54408 + ... + 54641.

It is an arithmetic number, because the mean of its divisors is an integer number (1653925).

Almost surely, 2^12758733 is an apocalyptic number.

12758733 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12758733 is a deficient number, since it is larger than the sum of its proper divisors (7088367).

12758733 is a wasteful number, since it uses less digits than its factorization.

12758733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109068 (or 109065 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 12758733 is about 3571.9368695429. The cubic root of 12758733 is about 233.6697620836.

The spelling of 12758733 in words is "twelve million, seven hundred fifty-eight thousand, seven hundred thirty-three".