14059840 has 56 divisors (see below), whose sum is σ = 34152840. Its totient is φ = 5511168.

The previous prime is 14059819. The next prime is 14059841. The reversal of 14059840 is 4895041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2930944 + 11128896 = 1712^2 + 3336^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14059841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16546 + ... + 17374.

Almost surely, 2^14059840 is an apocalyptic number.

14059840 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 14059840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17076420).

14059840 is an abundant number, since it is smaller than the sum of its proper divisors (20093000).

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

14059840 is an equidigital number, since it uses as much as digits as its factorization.

14059840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 14059840 is about 3749.6453165600. The cubic root of 14059840 is about 241.3571262183.

The spelling of 14059840 in words is "fourteen million, fifty-nine thousand, eight hundred forty".