13505497 has 8 divisors (see below), whose sum is σ = 14605056. Its totient is φ = 12439872.

The previous prime is 13505449. The next prime is 13505501. The reversal of 13505497 is 79450531.

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

It is a cyclic number.

It is not a de Polignac number, because 13505497 - 2¹¹ = 13503449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13505197) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7653 + ... + 9250.

It is an arithmetic number, because the mean of its divisors is an integer number (1825632).

Almost surely, 2^13505497 is an apocalyptic number.

13505497 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13505497 is a deficient number, since it is larger than the sum of its proper divisors (1099559).

13505497 is a wasteful number, since it uses less digits than its factorization.

13505497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16967.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 13505497 is about 3674.9825849928. The cubic root of 13505497 is about 238.1424717193.

The spelling of 13505497 in words is "thirteen million, five hundred five thousand, four hundred ninety-seven".