13985180 has 36 divisors (see below), whose sum is σ = 32287080. Its totient is φ = 5084640.

The previous prime is 13985177. The next prime is 13985189. The reversal of 13985180 is 8158931.

It is a self number, because there is not a number n which added to its sum of digits gives 13985180.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13985189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 470 + ... + 5309.

Almost surely, 2^13985180 is an apocalyptic number.

13985180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13985180 is an abundant number, since it is smaller than the sum of its proper divisors (18301900).

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

13985180 is a wasteful number, since it uses less digits than its factorization.

13985180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5810 (or 5797 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 13985180 is about 3739.6764565935. The cubic root of 13985180 is about 240.9291528003.

It can be divided in two parts, 139851 and 80, that added together give a palindrome (139931).

The spelling of 13985180 in words is "thirteen million, nine hundred eighty-five thousand, one hundred eighty".