13380042 has 16 divisors (see below), whose sum is σ = 28818720. Its totient is φ = 4116912.

The previous prime is 13380041. The next prime is 13380067. The reversal of 13380042 is 24008331.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13380041) 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, 85692 + ... + 85847.

It is an arithmetic number, because the mean of its divisors is an integer number (1801170).

Almost surely, 2^13380042 is an apocalyptic number.

13380042 is an abundant number, since it is smaller than the sum of its proper divisors (15438678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13380042 is a wasteful number, since it uses less digits than its factorization.

13380042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171557.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 13380042 is about 3657.8739726787. The cubic root of 13380042 is about 237.4027938303.

Adding to 13380042 its reverse (24008331), we get a palindrome (37388373).

The spelling of 13380042 in words is "thirteen million, three hundred eighty thousand, forty-two".