13445760 has 128 divisors (see below), whose sum is σ = 44064000. Its totient is φ = 3485696.

The previous prime is 13445741. The next prime is 13445791. The reversal of 13445760 is 6754431.

It is a tau number, because it is divible by the number of its divisors (128).

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

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, 90166 + ... + 90314.

It is an arithmetic number, because the mean of its divisors is an integer number (344250).

Almost surely, 2^13445760 is an apocalyptic number.

13445760 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 13445760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22032000).

13445760 is an abundant number, since it is smaller than the sum of its proper divisors (30618240).

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

13445760 is a wasteful number, since it uses less digits than its factorization.

13445760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 13445760 is about 3666.8460562178. The cubic root of 13445760 is about 237.7908385278.

The spelling of 13445760 in words is "thirteen million, four hundred forty-five thousand, seven hundred sixty".