12851211 has 4 divisors (see below), whose sum is σ = 17134952. Its totient is φ = 8567472.

The previous prime is 12851197. The next prime is 12851219. The reversal of 12851211 is 11215821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11215821 = 3 ⋅3738607.

It is not a de Polignac number, because 12851211 - 2¹¹ = 12849163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12851219) 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, 2141866 + ... + 2141871.

It is an arithmetic number, because the mean of its divisors is an integer number (4283738).

Almost surely, 2^12851211 is an apocalyptic number.

12851211 is a deficient number, since it is larger than the sum of its proper divisors (4283741).

12851211 is an equidigital number, since it uses as much as digits as its factorization.

12851211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4283740.

The product of its digits is 160, while the sum is 21.

The square root of 12851211 is about 3584.8585746163. The cubic root of 12851211 is about 234.2329661744.

The spelling of 12851211 in words is "twelve million, eight hundred fifty-one thousand, two hundred eleven".