13859000 has 32 divisors (see below), whose sum is σ = 32432400. Its totient is φ = 5543200.

The previous prime is 13858997. The next prime is 13859039. The reversal of 13859000 is 95831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5930 + ... + 7929.

Almost surely, 2^13859000 is an apocalyptic number.

13859000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13859000 is an abundant number, since it is smaller than the sum of its proper divisors (18573400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13859000 is a wasteful number, since it uses less digits than its factorization.

13859000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13880 (or 13866 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 13859000 is about 3722.7677875473. The cubic root of 13859000 is about 240.2023755988.

The spelling of 13859000 in words is "thirteen million, eight hundred fifty-nine thousand".