13285641 has 16 divisors (see below), whose sum is σ = 18066240. Its totient is φ = 8683200.

The previous prime is 13285633. The next prime is 13285663. The reversal of 13285641 is 14658231.

It is not a de Polignac number, because 13285641 - 2³ = 13285633 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13285599 and 13285608.

It is not an unprimeable number, because it can be changed into a prime (13285621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49255 + ... + 49523.

It is an arithmetic number, because the mean of its divisors is an integer number (1129140).

Almost surely, 2^13285641 is an apocalyptic number.

It is an amenable number.

13285641 is a deficient number, since it is larger than the sum of its proper divisors (4780599).

13285641 is a wasteful number, since it uses less digits than its factorization.

13285641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536.

The product of its digits is 5760, while the sum is 30.

The square root of 13285641 is about 3644.9473247223. The cubic root of 13285641 is about 236.8431549609.

The spelling of 13285641 in words is "thirteen million, two hundred eighty-five thousand, six hundred forty-one".