13825859 has 4 divisors (see below), whose sum is σ = 13918800. Its totient is φ = 13732920.

The previous prime is 13825853. The next prime is 13825873. The reversal of 13825859 is 95852831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13825859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13825853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46247 + ... + 46544.

It is an arithmetic number, because the mean of its divisors is an integer number (3479700).

Almost surely, 2^13825859 is an apocalyptic number.

13825859 is a deficient number, since it is larger than the sum of its proper divisors (92941).

13825859 is an equidigital number, since it uses as much as digits as its factorization.

13825859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92940.

The product of its digits is 86400, while the sum is 41.

The square root of 13825859 is about 3718.3139996509. The cubic root of 13825859 is about 240.0107576197.

The spelling of 13825859 in words is "thirteen million, eight hundred twenty-five thousand, eight hundred fifty-nine".