12738713 has 6 divisors (see below), whose sum is σ = 13794174. Its totient is φ = 11758656.

The previous prime is 12738701. The next prime is 12738727. The reversal of 12738713 is 31783721.

It can be written as a sum of positive squares in 3 ways, for example, as 683929 + 12054784 = 827^2 + 3472^2 .

It is not a de Polignac number, because 12738713 - 2¹⁰ = 12737689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12738713.

It is not an unprimeable number, because it can be changed into a prime (12734713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37520 + ... + 37857.

It is an arithmetic number, because the mean of its divisors is an integer number (2299029).

Almost surely, 2^12738713 is an apocalyptic number.

12738713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12738713 is a deficient number, since it is larger than the sum of its proper divisors (1055461).

12738713 is an equidigital number, since it uses as much as digits as its factorization.

12738713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75403 (or 75390 counting only the distinct ones).

The product of its digits is 7056, while the sum is 32.

The square root of 12738713 is about 3569.1333682002. The cubic root of 12738713 is about 233.5474793671.

The spelling of 12738713 in words is "twelve million, seven hundred thirty-eight thousand, seven hundred thirteen".