12638095 has 8 divisors (see below), whose sum is σ = 15423120. Its totient is φ = 9938880.

The previous prime is 12638083. The next prime is 12638099. The reversal of 12638095 is 59083621.

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

It is not a de Polignac number, because 12638095 - 2⁷ = 12637967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12638095.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12638099) 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 7 ways as a sum of consecutive naturals, for example, 21126 + ... + 21715.

It is an arithmetic number, because the mean of its divisors is an integer number (1927890).

Almost surely, 2^12638095 is an apocalyptic number.

12638095 is a deficient number, since it is larger than the sum of its proper divisors (2785025).

12638095 is an equidigital number, since it uses as much as digits as its factorization.

12638095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42905.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 12638095 is about 3555.0098452747. The cubic root of 12638095 is about 232.9309538945.

The spelling of 12638095 in words is "twelve million, six hundred thirty-eight thousand, ninety-five".