13947760 has 20 divisors (see below), whose sum is σ = 32428728. Its totient is φ = 5579072.

The previous prime is 13947757. The next prime is 13947763. The reversal of 13947760 is 6774931.

13947760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13947757) and next prime (13947763).

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13947763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87094 + ... + 87253.

Almost surely, 2^13947760 is an apocalyptic number.

13947760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13947760 is an abundant number, since it is smaller than the sum of its proper divisors (18480968).

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

13947760 is a wasteful number, since it uses less digits than its factorization.

13947760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174360 (or 174354 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 13947760 is about 3734.6699988085. The cubic root of 13947760 is about 240.7140769885.

The spelling of 13947760 in words is "thirteen million, nine hundred forty-seven thousand, seven hundred sixty".