13285738 has 32 divisors (see below), whose sum is σ = 22161600. Its totient is φ = 5946624.

The previous prime is 13285717. The next prime is 13285757. The reversal of 13285738 is 83758231.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 13285697 and 13285706.

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 15 ways as a sum of consecutive naturals, for example, 74133 + ... + 74311.

It is an arithmetic number, because the mean of its divisors is an integer number (692550).

Almost surely, 2^13285738 is an apocalyptic number.

13285738 is a deficient number, since it is larger than the sum of its proper divisors (8875862).

13285738 is a wasteful number, since it uses less digits than its factorization.

13285738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294.

The product of its digits is 40320, while the sum is 37.

The square root of 13285738 is about 3644.9606307888. The cubic root of 13285738 is about 236.8437313659.

The spelling of 13285738 in words is "thirteen million, two hundred eighty-five thousand, seven hundred thirty-eight".