12538193 has 4 divisors (see below), whose sum is σ = 12613440. Its totient is φ = 12462948.

The previous prime is 12538181. The next prime is 12538199. The reversal of 12538193 is 39183521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12538193 - 2¹⁶ = 12472657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12538199) 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 3 ways as a sum of consecutive naturals, for example, 37373 + ... + 37706.

It is an arithmetic number, because the mean of its divisors is an integer number (3153360).

Almost surely, 2^12538193 is an apocalyptic number.

It is an amenable number.

12538193 is a deficient number, since it is larger than the sum of its proper divisors (75247).

12538193 is an equidigital number, since it uses as much as digits as its factorization.

12538193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75246.

The product of its digits is 6480, while the sum is 32.

The square root of 12538193 is about 3540.9310922411. The cubic root of 12538193 is about 232.3155696219.

The spelling of 12538193 in words is "twelve million, five hundred thirty-eight thousand, one hundred ninety-three".