13405042 has 16 divisors (see below), whose sum is σ = 23051520. Its totient is φ = 5727168.

The previous prime is 13405037. The next prime is 13405057. The reversal of 13405042 is 24050431.

13405042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3834 + ... + 6442.

It is an arithmetic number, because the mean of its divisors is an integer number (1440720).

Almost surely, 2^13405042 is an apocalyptic number.

13405042 is a deficient number, since it is larger than the sum of its proper divisors (9646478).

13405042 is a wasteful number, since it uses less digits than its factorization.

13405042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 13405042 is about 3661.2896634929. The cubic root of 13405042 is about 237.5505606114.

Adding to 13405042 its reverse (24050431), we get a palindrome (37455473).

It can be divided in two parts, 1 and 3405042, that added together give a palindrome (3405043).

The spelling of 13405042 in words is "thirteen million, four hundred five thousand, forty-two".