13317980 has 48 divisors (see below), whose sum is σ = 30392544. Its totient is φ = 4872960.

The previous prime is 13317979. The next prime is 13318001. The reversal of 13317980 is 8971331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46919 + ... + 47201.

It is an arithmetic number, because the mean of its divisors is an integer number (633178).

Almost surely, 2^13317980 is an apocalyptic number.

13317980 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 13317980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15196272).

13317980 is an abundant number, since it is smaller than the sum of its proper divisors (17074564).

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

13317980 is a wasteful number, since it uses less digits than its factorization.

13317980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 13317980 is about 3649.3807693909. The cubic root of 13317980 is about 237.0351683941.

The spelling of 13317980 in words is "thirteen million, three hundred seventeen thousand, nine hundred eighty".