13947960 has 64 divisors (see below), whose sum is σ = 45067680. Its totient is φ = 3432960.

The previous prime is 13947949. The next prime is 13947961. The reversal of 13947960 is 6974931.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13947961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2911 + ... + 6030.

Almost surely, 2^13947960 is an apocalyptic number.

13947960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13947960 is an abundant number, since it is smaller than the sum of its proper divisors (31119720).

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

13947960 is a wasteful number, since it uses less digits than its factorization.

13947960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8968 (or 8964 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 13947960 is about 3734.6967748400. The cubic root of 13947960 is about 240.7152275337.

The spelling of 13947960 in words is "thirteen million, nine hundred forty-seven thousand, nine hundred sixty".