11644799 has 2 divisors, whose sum is σ = 11644800. Its totient is φ = 11644798.

The previous prime is 11644793. The next prime is 11644807. The reversal of 11644799 is 99744611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11644799 - 2⁴ = 11644783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11644793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5822399 + 5822400.

It is an arithmetic number, because the mean of its divisors is an integer number (5822400).

Almost surely, 2^11644799 is an apocalyptic number.

11644799 is a deficient number, since it is larger than the sum of its proper divisors (1).

11644799 is an equidigital number, since it uses as much as digits as its factorization.

11644799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 41.

The square root of 11644799 is about 3412.4476552762. The cubic root of 11644799 is about 226.6612775055.

The spelling of 11644799 in words is "eleven million, six hundred forty-four thousand, seven hundred ninety-nine".