12213193 has 2 divisors, whose sum is σ = 12213194. Its totient is φ = 12213192.

The previous prime is 12213169. The next prime is 12213197. The reversal of 12213193 is 39131221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10837264 + 1375929 = 3292^2 + 1173^2 .

It is a cyclic number.

It is not a de Polignac number, because 12213193 - 2¹³ = 12205001 is a prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (12213197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106596 + 6106597.

It is an arithmetic number, because the mean of its divisors is an integer number (6106597).

Almost surely, 2^12213193 is an apocalyptic number.

It is an amenable number.

12213193 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213193 is an equidigital number, since it uses as much as digits as its factorization.

12213193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 22.

The square root of 12213193 is about 3494.7379014742. The cubic root of 12213193 is about 230.2907036201.

The spelling of 12213193 in words is "twelve million, two hundred thirteen thousand, one hundred ninety-three".