12958291 has 8 divisors (see below), whose sum is σ = 13342400. Its totient is φ = 12579840.

The previous prime is 12958289. The next prime is 12958313. The reversal of 12958291 is 19285921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12958291 - 2¹ = 12958289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12958291.

It is not an unprimeable number, because it can be changed into a prime (12958201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3475 + ... + 6163.

It is an arithmetic number, because the mean of its divisors is an integer number (1667800).

Almost surely, 2^12958291 is an apocalyptic number.

12958291 is a deficient number, since it is larger than the sum of its proper divisors (384109).

12958291 is an equidigital number, since it uses as much as digits as its factorization.

12958291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829.

The product of its digits is 12960, while the sum is 37.

The square root of 12958291 is about 3599.7626310633. The cubic root of 12958291 is about 234.8817331570.

The spelling of 12958291 in words is "twelve million, nine hundred fifty-eight thousand, two hundred ninety-one".