11791243 has 2 divisors, whose sum is σ = 11791244. Its totient is φ = 11791242.

The previous prime is 11791237. The next prime is 11791261. The reversal of 11791243 is 34219711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11791243 - 2¹⁷ = 11660171 is a prime.

It is a super-2 number, since 2×11791243² = 278066822970098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11791643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5895621 + 5895622.

It is an arithmetic number, because the mean of its divisors is an integer number (5895622).

Almost surely, 2^11791243 is an apocalyptic number.

11791243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11791243 is an equidigital number, since it uses as much as digits as its factorization.

11791243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 28.

The square root of 11791243 is about 3433.8379402645. The cubic root of 11791243 is about 227.6074797060.

The spelling of 11791243 in words is "eleven million, seven hundred ninety-one thousand, two hundred forty-three".