13197680 has 40 divisors (see below), whose sum is σ = 30876000. Its totient is φ = 5246208.

The previous prime is 13197659. The next prime is 13197683. The reversal of 13197680 is 8679131.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13197680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13197683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15506 + ... + 16334.

It is an arithmetic number, because the mean of its divisors is an integer number (771900).

Almost surely, 2^13197680 is an apocalyptic number.

13197680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13197680 is an abundant number, since it is smaller than the sum of its proper divisors (17678320).

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

13197680 is a wasteful number, since it uses less digits than its factorization.

13197680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041 (or 1035 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 13197680 is about 3632.8611313949. The cubic root of 13197680 is about 236.3193035017.

The spelling of 13197680 in words is "thirteen million, one hundred ninety-seven thousand, six hundred eighty".