12209893 has 8 divisors (see below), whose sum is σ = 13229568. Its totient is φ = 11223744.

The previous prime is 12209887. The next prime is 12209921. The reversal of 12209893 is 39890221.

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 12209893 - 2⁵ = 12209861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12209833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7621 + ... + 9082.

It is an arithmetic number, because the mean of its divisors is an integer number (1653696).

Almost surely, 2^12209893 is an apocalyptic number.

It is an amenable number.

12209893 is a deficient number, since it is larger than the sum of its proper divisors (1019675).

12209893 is a wasteful number, since it uses less digits than its factorization.

12209893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16763.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 12209893 is about 3494.2657311658. The cubic root of 12209893 is about 230.2699602655.

The spelling of 12209893 in words is "twelve million, two hundred nine thousand, eight hundred ninety-three".