13355825 has 24 divisors (see below), whose sum is σ = 19082112. Its totient is φ = 9083520.

The previous prime is 13355813. The next prime is 13355831. The reversal of 13355825 is 52855331.

It is not a de Polignac number, because 13355825 - 2¹⁸ = 13093681 is a prime.

It is a super-2 number, since 2×13355825² = 356756122861250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13355791 and 13355800.

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 23 ways as a sum of consecutive naturals, for example, 28997 + ... + 29453.

It is an arithmetic number, because the mean of its divisors is an integer number (795088).

Almost surely, 2^13355825 is an apocalyptic number.

It is an amenable number.

13355825 is a deficient number, since it is larger than the sum of its proper divisors (5726287).

13355825 is a wasteful number, since it uses less digits than its factorization.

13355825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 636 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 13355825 is about 3654.5622172840. The cubic root of 13355825 is about 237.2594794945.

The spelling of 13355825 in words is "thirteen million, three hundred fifty-five thousand, eight hundred twenty-five".