13887858 has 8 divisors (see below), whose sum is σ = 27775728. Its totient is φ = 4629284.

The previous prime is 13887857. The next prime is 13887859. The reversal of 13887858 is 85878831.

It is an interprime number because it is at equal distance from previous prime (13887857) and next prime (13887859).

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

13887858 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13887857) 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, 1157316 + ... + 1157327.

It is an arithmetic number, because the mean of its divisors is an integer number (3471966).

Almost surely, 2^13887858 is an apocalyptic number.

13887858 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13887858 is a wasteful number, since it uses less digits than its factorization.

13887858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314648.

The product of its digits is 430080, while the sum is 48.

The square root of 13887858 is about 3726.6416516751. The cubic root of 13887858 is about 240.3689810412.

The spelling of 13887858 in words is "thirteen million, eight hundred eighty-seven thousand, eight hundred fifty-eight".