13497680 has 40 divisors (see below), whose sum is σ = 35866752. Its totient is φ = 4627584.

The previous prime is 13497667. The next prime is 13497683. The reversal of 13497680 is 8679431.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13497683) 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, 11492 + ... + 12611.

Almost surely, 2^13497680 is an apocalyptic number.

13497680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13497680 is an abundant number, since it is smaller than the sum of its proper divisors (22369072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13497680 is a wasteful number, since it uses less digits than its factorization.

13497680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24123 (or 24117 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 13497680 is about 3673.9188885984. The cubic root of 13497680 is about 238.0965171233.

The spelling of 13497680 in words is "thirteen million, four hundred ninety-seven thousand, six hundred eighty".