13488505 has 4 divisors (see below), whose sum is σ = 16186212. Its totient is φ = 10790800.

The previous prime is 13488491. The next prime is 13488533. The reversal of 13488505 is 50588431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4149369 + 9339136 = 2037^2 + 3056^2 .

It is not a de Polignac number, because 13488505 - 2⁹ = 13487993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1348846 + ... + 1348855.

It is an arithmetic number, because the mean of its divisors is an integer number (4046553).

Almost surely, 2^13488505 is an apocalyptic number.

It is an amenable number.

13488505 is a deficient number, since it is larger than the sum of its proper divisors (2697707).

13488505 is an equidigital number, since it uses as much as digits as its factorization.

13488505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697706.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 13488505 is about 3672.6700096796. The cubic root of 13488505 is about 238.0425564745.

The spelling of 13488505 in words is "thirteen million, four hundred eighty-eight thousand, five hundred five".