12132471 has 16 divisors (see below), whose sum is σ = 17581536. Its totient is φ = 7397376.

The previous prime is 12132467. The next prime is 12132479. The reversal of 12132471 is 17423121.

12132471 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12132471 - 2² = 12132467 is a prime.

It is a super-3 number, since 3×12132471³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3031 + ... + 5783.

It is an arithmetic number, because the mean of its divisors is an integer number (1098846).

Almost surely, 2^12132471 is an apocalyptic number.

12132471 is a deficient number, since it is larger than the sum of its proper divisors (5449065).

12132471 is a wasteful number, since it uses less digits than its factorization.

12132471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882.

The product of its digits is 336, while the sum is 21.

The square root of 12132471 is about 3483.1696771762. The cubic root of 12132471 is about 229.7822198164.

Adding to 12132471 its reverse (17423121), we get a palindrome (29555592).

The spelling of 12132471 in words is "twelve million, one hundred thirty-two thousand, four hundred seventy-one".