13980616 has 32 divisors (see below), whose sum is σ = 28425600. Its totient is φ = 6408000.

The previous prime is 13980611. The next prime is 13980623. The reversal of 13980616 is 61608931.

13980616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13980611) 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, 18241 + ... + 18991.

It is an arithmetic number, because the mean of its divisors is an integer number (888300).

Almost surely, 2^13980616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13980616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14212800).

13980616 is an abundant number, since it is smaller than the sum of its proper divisors (14444984).

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

13980616 is a wasteful number, since it uses less digits than its factorization.

13980616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949 (or 945 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 13980616 is about 3739.0661935836. The cubic root of 13980616 is about 240.9029412370.

The spelling of 13980616 in words is "thirteen million, nine hundred eighty thousand, six hundred sixteen".