13680054 has 48 divisors (see below), whose sum is σ = 31168800. Its totient is φ = 4330368.

The previous prime is 13680041. The next prime is 13680061. The reversal of 13680054 is 45008631.

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, 37927 + ... + 38285.

It is an arithmetic number, because the mean of its divisors is an integer number (649350).

Almost surely, 2^13680054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13680054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15584400).

13680054 is an abundant number, since it is smaller than the sum of its proper divisors (17488746).

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

13680054 is a wasteful number, since it uses less digits than its factorization.

13680054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 13680054 is about 3698.6557017381. The cubic root of 13680054 is about 239.1640709748.

Adding to 13680054 its reverse (45008631), we get a palindrome (58688685).

The spelling of 13680054 in words is "thirteen million, six hundred eighty thousand, fifty-four".