12038171 has 4 divisors (see below), whose sum is σ = 12045600. Its totient is φ = 12030744.

The previous prime is 12038149. The next prime is 12038179. The reversal of 12038171 is 17183021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12038171 - 2¹⁰ = 12037147 is a prime.

It is a super-2 number, since 2×12038171² = 289835122050482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12038179) 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, 131 + ... + 4908.

It is an arithmetic number, because the mean of its divisors is an integer number (3011400).

Almost surely, 2^12038171 is an apocalyptic number.

12038171 is a deficient number, since it is larger than the sum of its proper divisors (7429).

12038171 is an equidigital number, since it uses as much as digits as its factorization.

12038171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7428.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 12038171 is about 3469.6067500511. The cubic root of 12038171 is about 229.1853409502.

The spelling of 12038171 in words is "twelve million, thirty-eight thousand, one hundred seventy-one".