13427042 has 16 divisors (see below), whose sum is σ = 21393720. Its totient is φ = 6298368.

The previous prime is 13427039. The next prime is 13427047. The reversal of 13427042 is 24072431.

It can be written as a sum of positive squares in 4 ways, for example, as 7946761 + 5480281 = 2819^2 + 2341^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13426999 and 13427017.

It is not an unprimeable number, because it can be changed into a prime (13427047) 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 7 ways as a sum of consecutive naturals, for example, 18584 + ... + 19292.

Almost surely, 2^13427042 is an apocalyptic number.

13427042 is a deficient number, since it is larger than the sum of its proper divisors (7966678).

13427042 is a wasteful number, since it uses less digits than its factorization.

13427042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 13427042 is about 3664.2928376428. The cubic root of 13427042 is about 237.6804434806.

Adding to 13427042 its reverse (24072431), we get a palindrome (37499473).

The spelling of 13427042 in words is "thirteen million, four hundred twenty-seven thousand, forty-two".