13988580 has 24 divisors (see below), whose sum is σ = 39168192. Its totient is φ = 3730272.

The previous prime is 13988561. The next prime is 13988591. The reversal of 13988580 is 8588931.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 116512 + ... + 116631.

It is an arithmetic number, because the mean of its divisors is an integer number (1632008).

Almost surely, 2^13988580 is an apocalyptic number.

13988580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13988580 is an abundant number, since it is smaller than the sum of its proper divisors (25179612).

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

13988580 is a wasteful number, since it uses less digits than its factorization.

13988580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233155 (or 233153 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 13988580 is about 3740.1310137480. The cubic root of 13988580 is about 240.9486756749.

The spelling of 13988580 in words is "thirteen million, nine hundred eighty-eight thousand, five hundred eighty".