13447968 has 48 divisors (see below), whose sum is σ = 35816256. Its totient is φ = 4417280.

The previous prime is 13447963. The next prime is 13447997. The reversal of 13447968 is 86974431.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (13447961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5830 + ... + 7802.

It is an arithmetic number, because the mean of its divisors is an integer number (746172).

Almost surely, 2^13447968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13447968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17908128).

13447968 is an abundant number, since it is smaller than the sum of its proper divisors (22368288).

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

13447968 is a wasteful number, since it uses less digits than its factorization.

13447968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057 (or 2049 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 13447968 is about 3667.1471200376. The cubic root of 13447968 is about 237.8038541162.

The spelling of 13447968 in words is "thirteen million, four hundred forty-seven thousand, nine hundred sixty-eight".