12694213 has 4 divisors (see below), whose sum is σ = 14507680. Its totient is φ = 10880748.

The previous prime is 12694207. The next prime is 12694217. The reversal of 12694213 is 31249621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12694213 - 2¹⁷ = 12563141 is a prime.

It is a super-2 number, since 2×12694213² = 322286087378738, 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 (12694217) 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, 906723 + ... + 906736.

It is an arithmetic number, because the mean of its divisors is an integer number (3626920).

Almost surely, 2^12694213 is an apocalyptic number.

It is an amenable number.

12694213 is a deficient number, since it is larger than the sum of its proper divisors (1813467).

12694213 is an equidigital number, since it uses as much as digits as its factorization.

12694213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813466.

The product of its digits is 2592, while the sum is 28.

The square root of 12694213 is about 3562.8939080472. The cubic root of 12694213 is about 233.2752125081.

The spelling of 12694213 in words is "twelve million, six hundred ninety-four thousand, two hundred thirteen".