13856117 has 8 divisors (see below), whose sum is σ = 15437952. Its totient is φ = 12328000.

The previous prime is 13856107. The next prime is 13856119. The reversal of 13856117 is 71165831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13856117 - 2⁶ = 13856053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13856119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12884 + ... + 13917.

It is an arithmetic number, because the mean of its divisors is an integer number (1929744).

Almost surely, 2^13856117 is an apocalyptic number.

It is an amenable number.

13856117 is a deficient number, since it is larger than the sum of its proper divisors (1581835).

13856117 is a wasteful number, since it uses less digits than its factorization.

13856117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26859.

The product of its digits is 5040, while the sum is 32.

The square root of 13856117 is about 3722.3805555048. The cubic root of 13856117 is about 240.1857185174.

The spelling of 13856117 in words is "thirteen million, eight hundred fifty-six thousand, one hundred seventeen".