13091680 has 48 divisors (see below), whose sum is σ = 35350560. Its totient is φ = 4488192.

The previous prime is 13091677. The next prime is 13091693. The reversal of 13091680 is 8619031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a zygodrome in base 6.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4725 + ... + 6964.

It is an arithmetic number, because the mean of its divisors is an integer number (736470).

Almost surely, 2^13091680 is an apocalyptic number.

13091680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13091680 is an abundant number, since it is smaller than the sum of its proper divisors (22258880).

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

13091680 is a wasteful number, since it uses less digits than its factorization.

13091680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11711 (or 11703 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 13091680 is about 3618.2426673732. The cubic root of 13091680 is about 235.6849189878.

The spelling of 13091680 in words is "thirteen million, ninety-one thousand, six hundred eighty".