12055471 has 4 divisors (see below), whose sum is σ = 12123000. Its totient is φ = 11987944.

The previous prime is 12055469. The next prime is 12055487. The reversal of 12055471 is 17455021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17455021 = 2131 ⋅8191.

It is a cyclic number.

It is not a de Polignac number, because 12055471 - 2¹ = 12055469 is a prime.

It is a super-3 number, since 3×12055471³ (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 (12052471) 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, 33496 + ... + 33853.

It is an arithmetic number, because the mean of its divisors is an integer number (3030750).

Almost surely, 2^12055471 is an apocalyptic number.

12055471 is a deficient number, since it is larger than the sum of its proper divisors (67529).

12055471 is an equidigital number, since it uses as much as digits as its factorization.

12055471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67528.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 12055471 is about 3472.0989329223. The cubic root of 12055471 is about 229.2950754660.

The spelling of 12055471 in words is "twelve million, fifty-five thousand, four hundred seventy-one".