13859555 has 8 divisors (see below), whose sum is σ = 16866144. Its totient is φ = 10931200.

The previous prime is 13859543. The next prime is 13859567. The reversal of 13859555 is 55595831.

It is an interprime number because it is at equal distance from previous prime (13859543) and next prime (13859567).

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

It is not a de Polignac number, because 13859555 - 2⁶ = 13859491 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19166 + ... + 19875.

It is an arithmetic number, because the mean of its divisors is an integer number (2108268).

Almost surely, 2^13859555 is an apocalyptic number.

13859555 is a deficient number, since it is larger than the sum of its proper divisors (3006589).

13859555 is an equidigital number, since it uses as much as digits as its factorization.

13859555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39117.

The product of its digits is 135000, while the sum is 41.

The square root of 13859555 is about 3722.8423281144. The cubic root of 13859555 is about 240.2055819518.

The spelling of 13859555 in words is "thirteen million, eight hundred fifty-nine thousand, five hundred fifty-five".