11826641 has 2 divisors, whose sum is σ = 11826642. Its totient is φ = 11826640.

The previous prime is 11826637. The next prime is 11826649. The reversal of 11826641 is 14662811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7268416 + 4558225 = 2696^2 + 2135^2 .

It is a cyclic number.

It is not a de Polignac number, because 11826641 - 2² = 11826637 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11826649) 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, 5913320 + 5913321.

It is an arithmetic number, because the mean of its divisors is an integer number (5913321).

Almost surely, 2^11826641 is an apocalyptic number.

It is an amenable number.

11826641 is a deficient number, since it is larger than the sum of its proper divisors (1).

11826641 is an equidigital number, since it uses as much as digits as its factorization.

11826641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 29.

The square root of 11826641 is about 3438.9883686922. The cubic root of 11826641 is about 227.8350158136.

The spelling of 11826641 in words is "eleven million, eight hundred twenty-six thousand, six hundred forty-one".