11690243 has 2 divisors, whose sum is σ = 11690244. Its totient is φ = 11690242.

The previous prime is 11690209. The next prime is 11690249. The reversal of 11690243 is 34209611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11690243 - 2¹⁴ = 11673859 is a prime.

It is not a weakly prime, because it can be changed into another prime (11690249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5845121 + 5845122.

It is an arithmetic number, because the mean of its divisors is an integer number (5845122).

Almost surely, 2^11690243 is an apocalyptic number.

11690243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11690243 is an equidigital number, since it uses as much as digits as its factorization.

11690243 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 11690243 is about 3419.0997353105. The cubic root of 11690243 is about 226.9557444437.

Adding to 11690243 its reverse (34209611), we get a palindrome (45899854).

The spelling of 11690243 in words is "eleven million, six hundred ninety thousand, two hundred forty-three".