12213793 has 2 divisors, whose sum is σ = 12213794. Its totient is φ = 12213792.

The previous prime is 12213787. The next prime is 12213809. The reversal of 12213793 is 39731221.

12213793 is digitally balanced in base 2, 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., 10188864 + 2024929 = 3192^2 + 1423^2 .

It is a cyclic number.

It is not a de Polignac number, because 12213793 - 2¹³ = 12205601 is a prime.

It is not a weakly prime, because it can be changed into another prime (12213193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106896 + 6106897.

It is an arithmetic number, because the mean of its divisors is an integer number (6106897).

Almost surely, 2^12213793 is an apocalyptic number.

It is an amenable number.

12213793 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213793 is an equidigital number, since it uses as much as digits as its factorization.

12213793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 28.

The square root of 12213793 is about 3494.8237437673. The cubic root of 12213793 is about 230.2944747376.

The spelling of 12213793 in words is "twelve million, two hundred thirteen thousand, seven hundred ninety-three".