11959243 has 2 divisors, whose sum is σ = 11959244. Its totient is φ = 11959242.

The previous prime is 11959231. The next prime is 11959253. The reversal of 11959243 is 34295911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11959243 - 2¹⁷ = 11828171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11959199 and 11959208.

It is not a weakly prime, because it can be changed into another prime (11959253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5979621 + 5979622.

It is an arithmetic number, because the mean of its divisors is an integer number (5979622).

Almost surely, 2^11959243 is an apocalyptic number.

11959243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11959243 is an equidigital number, since it uses as much as digits as its factorization.

11959243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 34.

The square root of 11959243 is about 3458.2138453254. The cubic root of 11959243 is about 228.6833594087.

The spelling of 11959243 in words is "eleven million, nine hundred fifty-nine thousand, two hundred forty-three".