13660080 has 160 divisors (see below), whose sum is σ = 49711104. Its totient is φ = 3038208.

The previous prime is 13660051. The next prime is 13660081. The reversal of 13660080 is 8006631.

13660080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 13660080.

It is not an unprimeable number, because it can be changed into a prime (13660081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78874 + ... + 79046.

Almost surely, 2^13660080 is an apocalyptic number.

13660080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13660080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24855552).

13660080 is an abundant number, since it is smaller than the sum of its proper divisors (36051024).

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

13660080 is a wasteful number, since it uses less digits than its factorization.

13660080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 13660080 is about 3695.9545451750. The cubic root of 13660080 is about 239.0476145629.

The spelling of 13660080 in words is "thirteen million, six hundred sixty thousand, eighty".