12041971 has 4 divisors (see below), whose sum is σ = 12269232. Its totient is φ = 11814712.

The previous prime is 12041957. The next prime is 12041999. The reversal of 12041971 is 17914021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17914021 = 1733 ⋅10337.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12041971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12041921) 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, 113551 + ... + 113656.

It is an arithmetic number, because the mean of its divisors is an integer number (3067308).

Almost surely, 2^12041971 is an apocalyptic number.

12041971 is a deficient number, since it is larger than the sum of its proper divisors (227261).

12041971 is an equidigital number, since it uses as much as digits as its factorization.

12041971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227260.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 12041971 is about 3470.1543193351. The cubic root of 12041971 is about 229.2094534912.

Adding to 12041971 its reverse (17914021), we get a palindrome (29955992).

The spelling of 12041971 in words is "twelve million, forty-one thousand, nine hundred seventy-one".