11906243 has 2 divisors, whose sum is σ = 11906244. Its totient is φ = 11906242.

The previous prime is 11906233. The next prime is 11906261. The reversal of 11906243 is 34260911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11906243 - 2⁸ = 11905987 is a prime.

It is not a weakly prime, because it can be changed into another prime (11906233) 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 as a sum of consecutive naturals, namely, 5953121 + 5953122.

It is an arithmetic number, because the mean of its divisors is an integer number (5953122).

Almost surely, 2^11906243 is an apocalyptic number.

11906243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11906243 is an equidigital number, since it uses as much as digits as its factorization.

11906243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 11906243 is about 3450.5424211274. The cubic root of 11906243 is about 228.3450390338.

The spelling of 11906243 in words is "eleven million, nine hundred six thousand, two hundred forty-three".