14065820 has 24 divisors (see below), whose sum is σ = 29710800. Its totient is φ = 5593472.

The previous prime is 14065781. The next prime is 14065837. The reversal of 14065820 is 2856041.

It is a self number, because there is not a number n which added to its sum of digits gives 14065820.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1616 + ... + 5544.

It is an arithmetic number, because the mean of its divisors is an integer number (1237950).

Almost surely, 2^14065820 is an apocalyptic number.

14065820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14065820 is an abundant number, since it is smaller than the sum of its proper divisors (15644980).

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

14065820 is a wasteful number, since it uses less digits than its factorization.

14065820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4117 (or 4115 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 14065820 is about 3750.4426405426. The cubic root of 14065820 is about 241.3913397664.

The spelling of 14065820 in words is "fourteen million, sixty-five thousand, eight hundred twenty".