13105534 has 16 divisors (see below), whose sum is σ = 21429072. Its totient is φ = 5974848.

The previous prime is 13105507. The next prime is 13105537. The reversal of 13105534 is 43550131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13105537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 879 + ... + 5194.

It is an arithmetic number, because the mean of its divisors is an integer number (1339317).

Almost surely, 2^13105534 is an apocalyptic number.

13105534 is a deficient number, since it is larger than the sum of its proper divisors (8323538).

13105534 is a wasteful number, since it uses less digits than its factorization.

13105534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6171.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 13105534 is about 3620.1566264459. The cubic root of 13105534 is about 235.7680259121.

Adding to 13105534 its reverse (43550131), we get a palindrome (56655665).

The spelling of 13105534 in words is "thirteen million, one hundred five thousand, five hundred thirty-four".