13805770 has 16 divisors (see below), whose sum is σ = 27109728. Its totient is φ = 5020240.

The previous prime is 13805767. The next prime is 13805777. The reversal of 13805770 is 7750831.

It is not an unprimeable number, because it can be changed into a prime (13805777) by changing a digit.

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, 62644 + ... + 62863.

It is an arithmetic number, because the mean of its divisors is an integer number (1694358).

Almost surely, 2^13805770 is an apocalyptic number.

13805770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13805770 is a deficient number, since it is larger than the sum of its proper divisors (13303958).

13805770 is a wasteful number, since it uses less digits than its factorization.

13805770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125525.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 13805770 is about 3715.6116589332. The cubic root of 13805770 is about 239.8944559068.

The spelling of 13805770 in words is "thirteen million, eight hundred five thousand, seven hundred seventy".