14286720 has 128 divisors (see below), whose sum is σ = 52093440. Its totient is φ = 3262464.

The previous prime is 14286677. The next prime is 14286743. The reversal of 14286720 is 2768241.

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

It is a super-2 number, since 2×14286720² = 408220736716800, which contains 22 as substring.

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

It is a congruent number.

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, 12909 + ... + 13971.

It is an arithmetic number, because the mean of its divisors is an integer number (406980).

Almost surely, 2^14286720 is an apocalyptic number.

14286720 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 14286720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26046720).

14286720 is an abundant number, since it is smaller than the sum of its proper divisors (37806720).

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

14286720 is a wasteful number, since it uses less digits than its factorization.

14286720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092 (or 1080 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 14286720 is about 3779.7777712453. Note that the first 5 decimals coincide. The cubic root of 14286720 is about 242.6484442032.

The spelling of 14286720 in words is "fourteen million, two hundred eighty-six thousand, seven hundred twenty".