12958211 has 4 divisors (see below), whose sum is σ = 14809392. Its totient is φ = 11107032.

The previous prime is 12958201. The next prime is 12958237. The reversal of 12958211 is 11285921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12958211 - 2²² = 8763907 is a prime.

It is a Duffinian number.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925580 + ... + 925593.

It is an arithmetic number, because the mean of its divisors is an integer number (3702348).

Almost surely, 2^12958211 is an apocalyptic number.

12958211 is a deficient number, since it is larger than the sum of its proper divisors (1851181).

12958211 is an equidigital number, since it uses as much as digits as its factorization.

12958211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851180.

The product of its digits is 1440, while the sum is 29.

The square root of 12958211 is about 3599.7515192024. The cubic root of 12958211 is about 234.8812497965.

The spelling of 12958211 in words is "twelve million, nine hundred fifty-eight thousand, two hundred eleven".