13995240 has 64 divisors (see below), whose sum is σ = 47986560. Its totient is φ = 3198720.

The previous prime is 13995193. The next prime is 13995251. The reversal of 13995240 is 4259931.

13995240 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 7491 + ... + 9170.

It is an arithmetic number, because the mean of its divisors is an integer number (749790).

Almost surely, 2^13995240 is an apocalyptic number.

13995240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13995240 is an abundant number, since it is smaller than the sum of its proper divisors (33991320).

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

13995240 is a wasteful number, since it uses less digits than its factorization.

13995240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16682 (or 16678 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 13995240 is about 3741.0212509420. The cubic root of 13995240 is about 240.9869083756.

The spelling of 13995240 in words is "thirteen million, nine hundred ninety-five thousand, two hundred forty".