12958671 has 16 divisors (see below), whose sum is σ = 19133568. Its totient is φ = 7735200.

The previous prime is 12958633. The next prime is 12958691. The reversal of 12958671 is 17685921.

12958671 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 12958671 - 2⁹ = 12958159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12958601) 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, 720 + ... + 5141.

It is an arithmetic number, because the mean of its divisors is an integer number (1195848).

Almost surely, 2^12958671 is an apocalyptic number.

12958671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12958671 is a deficient number, since it is larger than the sum of its proper divisors (6174897).

12958671 is a wasteful number, since it uses less digits than its factorization.

12958671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5942.

The product of its digits is 30240, while the sum is 39.

The square root of 12958671 is about 3599.8154119343. The cubic root of 12958671 is about 234.8840290921.

The spelling of 12958671 in words is "twelve million, nine hundred fifty-eight thousand, six hundred seventy-one".