13534505 has 8 divisors (see below), whose sum is σ = 16402824. Its totient is φ = 10720000.

The previous prime is 13534501. The next prime is 13534513. The reversal of 13534505 is 50543531.

It can be written as a sum of positive squares in 4 ways, for example, as 3396649 + 10137856 = 1843^2 + 3184^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13534505 - 2² = 13534501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13534501) 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, 12896 + ... + 13905.

It is an arithmetic number, because the mean of its divisors is an integer number (2050353).

Almost surely, 2^13534505 is an apocalyptic number.

It is an amenable number.

13534505 is a deficient number, since it is larger than the sum of its proper divisors (2868319).

13534505 is a wasteful number, since it uses less digits than its factorization.

13534505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26907.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 13534505 is about 3678.9271533968. The cubic root of 13534505 is about 238.3128491803.

The spelling of 13534505 in words is "thirteen million, five hundred thirty-four thousand, five hundred five".