11217893 has 2 divisors, whose sum is σ = 11217894. Its totient is φ = 11217892.

The previous prime is 11217881. The next prime is 11217911. The reversal of 11217893 is 39871211.

11217893 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9138529 + 2079364 = 3023^2 + 1442^2 .

It is a cyclic number.

It is not a de Polignac number, because 11217893 - 2²⁰ = 10169317 is a prime.

It is a super-2 number, since 2×11217893² = 251682246718898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11217853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5608946 + 5608947.

It is an arithmetic number, because the mean of its divisors is an integer number (5608947).

Almost surely, 2^11217893 is an apocalyptic number.

It is an amenable number.

11217893 is a deficient number, since it is larger than the sum of its proper divisors (1).

11217893 is an equidigital number, since it uses as much as digits as its factorization.

11217893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 32.

The square root of 11217893 is about 3349.3123174765. The cubic root of 11217893 is about 223.8568720544.

The spelling of 11217893 in words is "eleven million, two hundred seventeen thousand, eight hundred ninety-three".