14521680 has 160 divisors (see below), whose sum is σ = 51246720. Its totient is φ = 3825792.

The previous prime is 14521673. The next prime is 14521687. The reversal of 14521680 is 8612541.

14521680 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 (14521673) and next prime (14521687).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14521687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174919 + ... + 175001.

It is an arithmetic number, because the mean of its divisors is an integer number (320292).

Almost surely, 2^14521680 is an apocalyptic number.

14521680 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 14521680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25623360).

14521680 is an abundant number, since it is smaller than the sum of its proper divisors (36725040).

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

14521680 is an frugal number, since it uses more digits than its factorization.

14521680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 14521680 is about 3810.7322131055. The cubic root of 14521680 is about 243.9714201050.

The spelling of 14521680 in words is "fourteen million, five hundred twenty-one thousand, six hundred eighty".