13545105 has 16 divisors (see below), whose sum is σ = 24768384. Its totient is φ = 6192000.

The previous prime is 13545089. The next prime is 13545113. The reversal of 13545105 is 50154531.

It is not a de Polignac number, because 13545105 - 2⁴ = 13545089 is a prime.

It is a super-2 number, since 2×13545105² = 366939738922050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64396 + ... + 64605.

It is an arithmetic number, because the mean of its divisors is an integer number (1548024).

Almost surely, 2^13545105 is an apocalyptic number.

13545105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13545105 is a deficient number, since it is larger than the sum of its proper divisors (11223279).

13545105 is a wasteful number, since it uses less digits than its factorization.

13545105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129016.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 13545105 is about 3680.3675088230. The cubic root of 13545105 is about 238.3750471702.

Adding to 13545105 its reverse (50154531), we get a palindrome (63699636).

The spelling of 13545105 in words is "thirteen million, five hundred forty-five thousand, one hundred five".