11626291 has 2 divisors, whose sum is σ = 11626292. Its totient is φ = 11626290.

The previous prime is 11626289. The next prime is 11626313. The reversal of 11626291 is 19262611.

11626291 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11626291 - 2¹ = 11626289 is a prime.

Together with 11626289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11626091) 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, 5813145 + 5813146.

It is an arithmetic number, because the mean of its divisors is an integer number (5813146).

Almost surely, 2^11626291 is an apocalyptic number.

11626291 is a deficient number, since it is larger than the sum of its proper divisors (1).

11626291 is an equidigital number, since it uses as much as digits as its factorization.

11626291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 28.

The square root of 11626291 is about 3409.7347404160. The cubic root of 11626291 is about 226.5411302651.

The spelling of 11626291 in words is "eleven million, six hundred twenty-six thousand, two hundred ninety-one".