13493505 has 16 divisors (see below), whose sum is σ = 21945024. Its totient is φ = 7078080.

The previous prime is 13493453. The next prime is 13493521. The reversal of 13493505 is 50539431.

It is not a de Polignac number, because 13493505 - 2⁷ = 13493377 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6459 + ... + 8288.

It is an arithmetic number, because the mean of its divisors is an integer number (1371564).

Almost surely, 2^13493505 is an apocalyptic number.

13493505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13493505 is a deficient number, since it is larger than the sum of its proper divisors (8451519).

13493505 is a wasteful number, since it uses less digits than its factorization.

13493505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14816.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 13493505 is about 3673.3506502919. The cubic root of 13493505 is about 238.0719658555.

It can be divided in two parts, 134 and 93505, that added together give a palindrome (93639).

The spelling of 13493505 in words is "thirteen million, four hundred ninety-three thousand, five hundred five".