12706213 has 8 divisors (see below), whose sum is σ = 13714400. Its totient is φ = 11702448.

The previous prime is 12706171. The next prime is 12706217. The reversal of 12706213 is 31260721.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12706213 is a prime.

It is a super-2 number, since 2×12706213² = 322895697602738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12706217) 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 7 ways as a sum of consecutive naturals, for example, 7258 + ... + 8836.

It is an arithmetic number, because the mean of its divisors is an integer number (1714300).

Almost surely, 2^12706213 is an apocalyptic number.

12706213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12706213 is a deficient number, since it is larger than the sum of its proper divisors (1008187).

12706213 is a wasteful number, since it uses less digits than its factorization.

12706213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 12706213 is about 3564.5775345755. The cubic root of 12706213 is about 233.3486953605.

Adding to 12706213 its reverse (31260721), we get a palindrome (43966934).

The spelling of 12706213 in words is "twelve million, seven hundred six thousand, two hundred thirteen".