12049271 has 4 divisors (see below), whose sum is σ = 12976152. Its totient is φ = 11122392.

The previous prime is 12049267. The next prime is 12049273. The reversal of 12049271 is 17294021.

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 12049271 - 2² = 12049267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12049271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12049273) 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, 463421 + ... + 463446.

It is an arithmetic number, because the mean of its divisors is an integer number (3244038).

Almost surely, 2^12049271 is an apocalyptic number.

12049271 is a deficient number, since it is larger than the sum of its proper divisors (926881).

12049271 is an equidigital number, since it uses as much as digits as its factorization.

12049271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926880.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 12049271 is about 3471.2059863972. The cubic root of 12049271 is about 229.2557607226.

The spelling of 12049271 in words is "twelve million, forty-nine thousand, two hundred seventy-one".