13425205 has 8 divisors (see below), whose sum is σ = 16291800. Its totient is φ = 10619136.

The previous prime is 13425187. The next prime is 13425233. The reversal of 13425205 is 50252431.

It can be written as a sum of positive squares in 4 ways, for example, as 508369 + 12916836 = 713^2 + 3594^2 .

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 13425205 - 2⁹ = 13424693 is a prime.

It is a super-2 number, since 2×13425205² = 360472258584050, which contains 22 as substring.

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, 14640 + ... + 15529.

It is an arithmetic number, because the mean of its divisors is an integer number (2036475).

Almost surely, 2^13425205 is an apocalyptic number.

It is an amenable number.

13425205 is a deficient number, since it is larger than the sum of its proper divisors (2866595).

13425205 is an equidigital number, since it uses as much as digits as its factorization.

13425205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30263.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 13425205 is about 3664.0421667879. The cubic root of 13425205 is about 237.6696036921.

Adding to 13425205 its reverse (50252431), we get a palindrome (63677636).

The spelling of 13425205 in words is "thirteen million, four hundred twenty-five thousand, two hundred five".