12738359 has 4 divisors (see below), whose sum is σ = 12766104. Its totient is φ = 12710616.

The previous prime is 12738353. The next prime is 12738361. The reversal of 12738359 is 95383721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12738359 - 2¹⁶ = 12672823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12738353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13172 + ... + 14105.

It is an arithmetic number, because the mean of its divisors is an integer number (3191526).

Almost surely, 2^12738359 is an apocalyptic number.

12738359 is a deficient number, since it is larger than the sum of its proper divisors (27745).

12738359 is an equidigital number, since it uses as much as digits as its factorization.

12738359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27744.

The product of its digits is 45360, while the sum is 38.

The square root of 12738359 is about 3569.0837759851. The cubic root of 12738359 is about 233.5453159729.

The spelling of 12738359 in words is "twelve million, seven hundred thirty-eight thousand, three hundred fifty-nine".