12685211 has 8 divisors (see below), whose sum is σ = 15815424. Its totient is φ = 9884520.

The previous prime is 12685207. The next prime is 12685223. The reversal of 12685211 is 11258621.

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 12685211 - 2² = 12685207 is a prime.

It is a super-2 number, since 2×12685211² = 321829156229042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12685201) 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, 82295 + ... + 82448.

It is an arithmetic number, because the mean of its divisors is an integer number (1976928).

Almost surely, 2^12685211 is an apocalyptic number.

12685211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12685211 is a deficient number, since it is larger than the sum of its proper divisors (3130213).

12685211 is a wasteful number, since it uses less digits than its factorization.

12685211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164761.

The product of its digits is 960, while the sum is 26.

The square root of 12685211 is about 3561.6303850905. The cubic root of 12685211 is about 233.2200577157.

The spelling of 12685211 in words is "twelve million, six hundred eighty-five thousand, two hundred eleven".