14146820 has 12 divisors (see below), whose sum is σ = 29708364. Its totient is φ = 5658720.

The previous prime is 14146807. The next prime is 14146823. The reversal of 14146820 is 2864141.

It can be written as a sum of positive squares in 2 ways, for example, as 1643524 + 12503296 = 1282^2 + 3536^2 .

It is a super-2 number, since 2×14146820² = 400265032224800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14146820.

It is not an unprimeable number, because it can be changed into a prime (14146823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353651 + ... + 353690.

It is an arithmetic number, because the mean of its divisors is an integer number (2475697).

Almost surely, 2^14146820 is an apocalyptic number.

14146820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14146820 is an abundant number, since it is smaller than the sum of its proper divisors (15561544).

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

14146820 is a wasteful number, since it uses less digits than its factorization.

14146820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707350 (or 707348 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 14146820 is about 3761.2258639970. The cubic root of 14146820 is about 241.8538151338.

The spelling of 14146820 in words is "fourteen million, one hundred forty-six thousand, eight hundred twenty".