12243059 has 4 divisors (see below), whose sum is σ = 12264504. Its totient is φ = 12221616.

The previous prime is 12243029. The next prime is 12243071. The reversal of 12243059 is 95034221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12243059 - 2¹⁶ = 12177523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12243019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9842 + ... + 11015.

It is an arithmetic number, because the mean of its divisors is an integer number (3066126).

Almost surely, 2^12243059 is an apocalyptic number.

12243059 is a deficient number, since it is larger than the sum of its proper divisors (21445).

12243059 is an equidigital number, since it uses as much as digits as its factorization.

12243059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21444.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 12243059 is about 3499.0082880725. The cubic root of 12243059 is about 230.4782675495.

It can be divided in two parts, 1224 and 3059, that multiplied together give a triangular number (3744216 = T₂₇₃₆).

The spelling of 12243059 in words is "twelve million, two hundred forty-three thousand, fifty-nine".