11836859 has 2 divisors, whose sum is σ = 11836860. Its totient is φ = 11836858.

The previous prime is 11836837. The next prime is 11836919. The reversal of 11836859 is 95863811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11836859 - 2⁸ = 11836603 is a prime.

It is a super-3 number, since 3×11836859³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11836159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5918429 + 5918430.

It is an arithmetic number, because the mean of its divisors is an integer number (5918430).

Almost surely, 2^11836859 is an apocalyptic number.

11836859 is a deficient number, since it is larger than the sum of its proper divisors (1).

11836859 is an equidigital number, since it uses as much as digits as its factorization.

11836859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 41.

The square root of 11836859 is about 3440.4736592510. The cubic root of 11836859 is about 227.9006120117.

The spelling of 11836859 in words is "eleven million, eight hundred thirty-six thousand, eight hundred fifty-nine".