13896705 has 16 divisors (see below), whose sum is σ = 22466304. Its totient is φ = 7334400.

The previous prime is 13896703. The next prime is 13896739. The reversal of 13896705 is 50769831.

It is not a de Polignac number, because 13896705 - 2¹ = 13896703 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13896703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3321 + ... + 6230.

It is an arithmetic number, because the mean of its divisors is an integer number (1404144).

Almost surely, 2^13896705 is an apocalyptic number.

13896705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13896705 is a deficient number, since it is larger than the sum of its proper divisors (8569599).

13896705 is an equidigital number, since it uses as much as digits as its factorization.

13896705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9656.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 13896705 is about 3727.8284563536. The cubic root of 13896705 is about 240.4200110603.

The spelling of 13896705 in words is "thirteen million, eight hundred ninety-six thousand, seven hundred five".