13443960 has 64 divisors (see below), whose sum is σ = 42094080. Its totient is φ = 3428480.

The previous prime is 13443959. The next prime is 13443961. The reversal of 13443960 is 6934431.

13443960 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 (13443959) and next prime (13443961).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13443961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325 + ... + 5195.

It is an arithmetic number, because the mean of its divisors is an integer number (657720).

Almost surely, 2^13443960 is an apocalyptic number.

13443960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13443960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21047040).

13443960 is an abundant number, since it is smaller than the sum of its proper divisors (28650120).

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

13443960 is a wasteful number, since it uses less digits than its factorization.

13443960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4908 (or 4904 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 13443960 is about 3666.6006054655. The cubic root of 13443960 is about 237.7802269394.

The spelling of 13443960 in words is "thirteen million, four hundred forty-three thousand, nine hundred sixty".