13806345 has 16 divisors (see below), whose sum is σ = 25246080. Its totient is φ = 6311424.

The previous prime is 13806343. The next prime is 13806361. The reversal of 13806345 is 54360831.

It is not a de Polignac number, because 13806345 - 2¹ = 13806343 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13806343) 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 15 ways as a sum of consecutive naturals, for example, 65640 + ... + 65849.

It is an arithmetic number, because the mean of its divisors is an integer number (1577880).

Almost surely, 2^13806345 is an apocalyptic number.

13806345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13806345 is a deficient number, since it is larger than the sum of its proper divisors (11439735).

13806345 is a wasteful number, since it uses less digits than its factorization.

13806345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131504.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 13806345 is about 3715.6890343515. The cubic root of 13806345 is about 239.8977863355.

The spelling of 13806345 in words is "thirteen million, eight hundred six thousand, three hundred forty-five".