13826005 has 16 divisors (see below), whose sum is σ = 17164224. Its totient is φ = 10684800.

The previous prime is 13826003. The next prime is 13826017. The reversal of 13826005 is 50062831.

It is a happy number.

It is not a de Polignac number, because 13826005 - 2¹ = 13826003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13826003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22705 + ... + 23305.

It is an arithmetic number, because the mean of its divisors is an integer number (1072764).

Almost surely, 2^13826005 is an apocalyptic number.

It is an amenable number.

13826005 is a deficient number, since it is larger than the sum of its proper divisors (3338219).

13826005 is a wasteful number, since it uses less digits than its factorization.

13826005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 13826005 is about 3718.3336321530. Note that the first 3 decimals coincide. The cubic root of 13826005 is about 240.0116024483.

Adding to 13826005 its reverse (50062831), we get a palindrome (63888836).

The spelling of 13826005 in words is "thirteen million, eight hundred twenty-six thousand, five".