14128805 has 10 divisors (see below), whose sum is σ = 17378430. Its totient is φ = 11027360.

The previous prime is 14128781. The next prime is 14128813. The reversal of 14128805 is 50882141.

It can be written as a sum of positive squares in 5 ways, for example, as 14122564 + 6241 = 3758^2 + 79^2 .

It is not a de Polignac number, because 14128805 - 2⁸ = 14128549 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 344585 + ... + 344625.

It is an arithmetic number, because the mean of its divisors is an integer number (1737843).

Almost surely, 2^14128805 is an apocalyptic number.

It is an amenable number.

14128805 is a deficient number, since it is larger than the sum of its proper divisors (3249625).

14128805 is an frugal number, since it uses more digits than its factorization.

14128805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 14128805 is about 3758.8302701771. The cubic root of 14128805 is about 241.7511101388.

The spelling of 14128805 in words is "fourteen million, one hundred twenty-eight thousand, eight hundred five".