13105742 has 32 divisors (see below), whose sum is σ = 22680000. Its totient is φ = 5626368.

The previous prime is 13105739. The next prime is 13105747. The reversal of 13105742 is 24750131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13105747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65759 + ... + 65957.

It is an arithmetic number, because the mean of its divisors is an integer number (708750).

Almost surely, 2^13105742 is an apocalyptic number.

13105742 is a deficient number, since it is larger than the sum of its proper divisors (9574258).

13105742 is a wasteful number, since it uses less digits than its factorization.

13105742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 13105742 is about 3620.1853543707. The cubic root of 13105742 is about 235.7692732094.

Adding to 13105742 its reverse (24750131), we get a palindrome (37855873).

The spelling of 13105742 in words is "thirteen million, one hundred five thousand, seven hundred forty-two".