12638359 has 8 divisors (see below), whose sum is σ = 13092992. Its totient is φ = 12186720.

The previous prime is 12638357. The next prime is 12638369. The reversal of 12638359 is 95383621.

12638359 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12638359 - 2¹ = 12638357 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 (12638357) 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 7 ways as a sum of consecutive naturals, for example, 11017 + ... + 12109.

It is an arithmetic number, because the mean of its divisors is an integer number (1636624).

Almost surely, 2^12638359 is an apocalyptic number.

12638359 is a deficient number, since it is larger than the sum of its proper divisors (454633).

12638359 is a wasteful number, since it uses less digits than its factorization.

12638359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497.

The product of its digits is 38880, while the sum is 37.

The square root of 12638359 is about 3555.0469757796. The cubic root of 12638359 is about 232.9325757989.

The spelling of 12638359 in words is "twelve million, six hundred thirty-eight thousand, three hundred fifty-nine".