13826825 has 6 divisors (see below), whose sum is σ = 17145294. Its totient is φ = 11061440.

The previous prime is 13826821. The next prime is 13826843. The reversal of 13826825 is 52862831.

It can be written as a sum of positive squares in 3 ways, for example, as 4414201 + 9412624 = 2101^2 + 3068^2 .

It is not a de Polignac number, because 13826825 - 2² = 13826821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13826821) 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 in 5 ways as a sum of consecutive naturals, for example, 276512 + ... + 276561.

It is an arithmetic number, because the mean of its divisors is an integer number (2857549).

Almost surely, 2^13826825 is an apocalyptic number.

It is an amenable number.

13826825 is a deficient number, since it is larger than the sum of its proper divisors (3318469).

13826825 is an equidigital number, since it uses as much as digits as its factorization.

13826825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553083 (or 553078 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 13826825 is about 3718.4438949647. The cubic root of 13826825 is about 240.0163472661.

The spelling of 13826825 in words is "thirteen million, eight hundred twenty-six thousand, eight hundred twenty-five".