12007471 has 4 divisors (see below), whose sum is σ = 13722832. Its totient is φ = 10292112.

The previous prime is 12007459. The next prime is 12007477. The reversal of 12007471 is 17470021.

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 12007471 - 2⁵ = 12007439 is a prime.

It is a super-3 number, since 3×12007471³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12007477) 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, 857670 + ... + 857683.

It is an arithmetic number, because the mean of its divisors is an integer number (3430708).

Almost surely, 2^12007471 is an apocalyptic number.

12007471 is a deficient number, since it is larger than the sum of its proper divisors (1715361).

12007471 is an equidigital number, since it uses as much as digits as its factorization.

12007471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715360.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 12007471 is about 3465.1797933152. The cubic root of 12007471 is about 228.9903506546.

Adding to 12007471 its reverse (17470021), we get a palindrome (29477492).

The spelling of 12007471 in words is "twelve million, seven thousand, four hundred seventy-one".