13285042 has 4 divisors (see below), whose sum is σ = 19927566. Its totient is φ = 6642520.

The previous prime is 13285039. The next prime is 13285057. The reversal of 13285042 is 24058231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11350161 + 1934881 = 3369^2 + 1391^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13284998 and 13285016.

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 as a sum of consecutive naturals, namely, 3321259 + ... + 3321262.

Almost surely, 2^13285042 is an apocalyptic number.

13285042 is a deficient number, since it is larger than the sum of its proper divisors (6642524).

13285042 is an equidigital number, since it uses as much as digits as its factorization.

13285042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6642523.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 13285042 is about 3644.8651552561. The cubic root of 13285042 is about 236.8395954493.

The spelling of 13285042 in words is "thirteen million, two hundred eighty-five thousand, forty-two".