13859025 has 24 divisors (see below), whose sum is σ = 23477664. Its totient is φ = 7209600.

The previous prime is 13858997. The next prime is 13859039. The reversal of 13859025 is 52095831.

It is not a de Polignac number, because 13859025 - 2⁵ = 13858993 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 822 + ... + 5328.

It is an arithmetic number, because the mean of its divisors is an integer number (978236).

Almost surely, 2^13859025 is an apocalyptic number.

13859025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13859025 is a deficient number, since it is larger than the sum of its proper divisors (9618639).

13859025 is a wasteful number, since it uses less digits than its factorization.

13859025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4561 (or 4556 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 13859025 is about 3722.7711452626. The cubic root of 13859025 is about 240.2025200310.

The spelling of 13859025 in words is "thirteen million, eight hundred fifty-nine thousand, twenty-five".