14991760 has 80 divisors (see below), whose sum is σ = 41961600. Its totient is φ = 4866048.

The previous prime is 14991749. The next prime is 14991763. The reversal of 14991760 is 6719941.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (14991763) 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, 9936 + ... + 11344.

It is an arithmetic number, because the mean of its divisors is an integer number (524520).

Almost surely, 2^14991760 is an apocalyptic number.

14991760 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 14991760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20980800).

14991760 is an abundant number, since it is smaller than the sum of its proper divisors (26969840).

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

14991760 is a wasteful number, since it uses less digits than its factorization.

14991760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448 (or 1442 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 14991760 is about 3871.9194206491. The cubic root of 14991760 is about 246.5760400781.

It can be divided in two parts, 14991 and 760, that added together give a palindrome (15751).

The spelling of 14991760 in words is "fourteen million, nine hundred ninety-one thousand, seven hundred sixty".