13497663 has 4 divisors (see below), whose sum is σ = 17996888. Its totient is φ = 8998440.

The previous prime is 13497641. The next prime is 13497667. The reversal of 13497663 is 36679431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36679431 = 3 ⋅12226477.

It is not a de Polignac number, because 13497663 - 2⁶ = 13497599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13497667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2249608 + ... + 2249613.

It is an arithmetic number, because the mean of its divisors is an integer number (4499222).

Almost surely, 2^13497663 is an apocalyptic number.

13497663 is a deficient number, since it is larger than the sum of its proper divisors (4499225).

13497663 is an equidigital number, since it uses as much as digits as its factorization.

13497663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4499224.

The product of its digits is 81648, while the sum is 39.

The square root of 13497663 is about 3673.9165749919. The cubic root of 13497663 is about 238.0964171643.

The spelling of 13497663 in words is "thirteen million, four hundred ninety-seven thousand, six hundred sixty-three".