12671541 has 24 divisors (see below), whose sum is σ = 18944640. Its totient is φ = 8156736.

The previous prime is 12671531. The next prime is 12671543. The reversal of 12671541 is 14517621.

It is a happy number.

12671541 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12671541 - 2¹¹ = 12669493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12671543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52900 + ... + 53138.

It is an arithmetic number, because the mean of its divisors is an integer number (789360).

Almost surely, 2^12671541 is an apocalyptic number.

It is an amenable number.

12671541 is a deficient number, since it is larger than the sum of its proper divisors (6273099).

12671541 is a wasteful number, since it uses less digits than its factorization.

12671541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 422 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 12671541 is about 3559.7108028603. The cubic root of 12671541 is about 233.1362524068.

It can be divided in two parts, 126715 and 41, that added together give a triangular number (126756 = T₅₀₃).

The spelling of 12671541 in words is "twelve million, six hundred seventy-one thousand, five hundred forty-one".