11426005 has 8 divisors (see below), whose sum is σ = 13970232. Its totient is φ = 8968128.

The previous prime is 11425993. The next prime is 11426021. The reversal of 11426005 is 50062411.

It can be written as a sum of positive squares in 4 ways, for example, as 1747684 + 9678321 = 1322^2 + 3111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11426005 - 2⁷ = 11425877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 21294 + ... + 21823.

It is an arithmetic number, because the mean of its divisors is an integer number (1746279).

Almost surely, 2^11426005 is an apocalyptic number.

It is an amenable number.

11426005 is a deficient number, since it is larger than the sum of its proper divisors (2544227).

11426005 is an equidigital number, since it uses as much as digits as its factorization.

11426005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43175.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 11426005 is about 3380.2374176972. The cubic root of 11426005 is about 225.2327139571.

Adding to 11426005 its reverse (50062411), we get a palindrome (61488416).

The spelling of 11426005 in words is "eleven million, four hundred twenty-six thousand, five".