13105434 has 16 divisors (see below), whose sum is σ = 26655840. Its totient is φ = 4294320.

The previous prime is 13105427. The next prime is 13105439. The reversal of 13105434 is 43450131.

It is a self number, because there is not a number n which added to its sum of digits gives 13105434.

It is not an unprimeable number, because it can be changed into a prime (13105439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18157 + ... + 18864.

It is an arithmetic number, because the mean of its divisors is an integer number (1665990).

Almost surely, 2^13105434 is an apocalyptic number.

13105434 is an abundant number, since it is smaller than the sum of its proper divisors (13550406).

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

13105434 is a wasteful number, since it uses less digits than its factorization.

13105434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37085.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 13105434 is about 3620.1428148624. The cubic root of 13105434 is about 235.7674262453.

Adding to 13105434 its reverse (43450131), we get a palindrome (56555565).

The spelling of 13105434 in words is "thirteen million, one hundred five thousand, four hundred thirty-four".