13317660 has 72 divisors (see below), whose sum is σ = 40696656. Its totient is φ = 3525120.

The previous prime is 13317649. The next prime is 13317671. The reversal of 13317660 is 6671331.

13317660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13317649) and next prime (13317671).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43227 + ... + 43533.

Almost surely, 2^13317660 is an apocalyptic number.

13317660 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 13317660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20348328).

13317660 is an abundant number, since it is smaller than the sum of its proper divisors (27378996).

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

13317660 is a wasteful number, since it uses less digits than its factorization.

13317660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 13317660 is about 3649.3369260730. The cubic root of 13317660 is about 237.0332699114.

Adding to 13317660 its reverse (6671331), we get a palindrome (19988991).

The spelling of 13317660 in words is "thirteen million, three hundred seventeen thousand, six hundred sixty".